638943312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2851}}^1$

素因数の和:2921

約数の個数: 160

約数和(自身を含む): 2037012480

約数和(自身を除く): 1398069168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 29, 42, 46, 48, 56, 58, 69, 84, 87, 92, 112, 116, 138, 161, 168, 174, 184, 203, 232, 276, 322, 336, 348, 368, 406, 464, 483, 552, 609, 644, 667, 696, 812, 966, 1104, 1218, 1288, 1334, 1392, 1624, 1932, 2001, 2436, 2576, 2668, 2851, 3248, 3864, 4002, 4669, 4872, 5336, 5702, 7728, 8004, 8553, 9338, 9744, 10672, 11404, 14007, 16008, 17106, 18676, 19957, 22808, 28014, 32016, 34212, 37352, 39914, 45616, 56028, 59871, 65573, 68424, 74704, 79828, 82679, 112056, 119742, 131146, 136848, 159656, 165358, 196719, 224112, 239484, 248037, 262292, 319312, 330716, 393438, 459011, 478968, 496074, 524584, 578753, 661432, 786876, 918022, 957936, 992148, 1049168, 1157506, 1322864, 1377033, 1573752, 1736259, 1836044, 1901617, 1984296, 2315012, 2754066, 3147504, 3472518, 3672088, 3803234, 3968592, 4630024, 5508132, 5704851, 6945036, 7344176, 7606468, 9260048, 11016264, 11409702, 13311319, 13890072, 15212936, 22032528, 22819404, 26622638, 27780144, 30425872, 39933957, 45638808, 53245276, 79867914, 91277616, 106490552, 159735828, 212981104, 319471656, 638943312]

約数ペア:

[(1, 638943312), (2, 319471656), (3, 212981104), (4, 159735828), (6, 106490552), (7, 91277616), (8, 79867914), (12, 53245276), (14, 45638808), (16, 39933957), (21, 30425872), (23, 27780144), (24, 26622638), (28, 22819404), (29, 22032528), (42, 15212936), (46, 13890072), (48, 13311319), (56, 11409702), (58, 11016264), (69, 9260048), (84, 7606468), (87, 7344176), (92, 6945036), (112, 5704851), (116, 5508132), (138, 4630024), (161, 3968592), (168, 3803234), (174, 3672088), (184, 3472518), (203, 3147504), (232, 2754066), (276, 2315012), (322, 1984296), (336, 1901617), (348, 1836044), (368, 1736259), (406, 1573752), (464, 1377033), (483, 1322864), (552, 1157506), (609, 1049168), (644, 992148), (667, 957936), (696, 918022), (812, 786876), (966, 661432), (1104, 578753), (1218, 524584), (1288, 496074), (1334, 478968), (1392, 459011), (1624, 393438), (1932, 330716), (2001, 319312), (2436, 262292), (2576, 248037), (2668, 239484), (2851, 224112), (3248, 196719), (3864, 165358), (4002, 159656), (4669, 136848), (4872, 131146), (5336, 119742), (5702, 112056), (7728, 82679), (8004, 79828), (8553, 74704), (9338, 68424), (9744, 65573), (10672, 59871), (11404, 56028), (14007, 45616), (16008, 39914), (17106, 37352), (18676, 34212), (19957, 32016), (22808, 28014)]