16557408

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 55351296

約数和(自身を除く): 38793888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 56, 63, 72, 84, 86, 96, 112, 126, 129, 144, 168, 172, 191, 224, 252, 258, 288, 301, 336, 344, 382, 387, 504, 516, 573, 602, 672, 688, 764, 774, 903, 1008, 1032, 1146, 1204, 1337, 1376, 1528, 1548, 1719, 1806, 2016, 2064, 2292, 2408, 2674, 2709, 3056, 3096, 3438, 3612, 4011, 4128, 4584, 4816, 5348, 5418, 6112, 6192, 6876, 7224, 8022, 8213, 9168, 9632, 10696, 10836, 12033, 12384, 13752, 14448, 16044, 16426, 18336, 21392, 21672, 24066, 24639, 27504, 28896, 32088, 32852, 42784, 43344, 48132, 49278, 55008, 57491, 64176, 65704, 73917, 86688, 96264, 98556, 114982, 128352, 131408, 147834, 172473, 192528, 197112, 229964, 262816, 295668, 344946, 385056, 394224, 459928, 517419, 591336, 689892, 788448, 919856, 1034838, 1182672, 1379784, 1839712, 2069676, 2365344, 2759568, 4139352, 5519136, 8278704, 16557408]

約数ペア:

[(1, 16557408), (2, 8278704), (3, 5519136), (4, 4139352), (6, 2759568), (7, 2365344), (8, 2069676), (9, 1839712), (12, 1379784), (14, 1182672), (16, 1034838), (18, 919856), (21, 788448), (24, 689892), (28, 591336), (32, 517419), (36, 459928), (42, 394224), (43, 385056), (48, 344946), (56, 295668), (63, 262816), (72, 229964), (84, 197112), (86, 192528), (96, 172473), (112, 147834), (126, 131408), (129, 128352), (144, 114982), (168, 98556), (172, 96264), (191, 86688), (224, 73917), (252, 65704), (258, 64176), (288, 57491), (301, 55008), (336, 49278), (344, 48132), (382, 43344), (387, 42784), (504, 32852), (516, 32088), (573, 28896), (602, 27504), (672, 24639), (688, 24066), (764, 21672), (774, 21392), (903, 18336), (1008, 16426), (1032, 16044), (1146, 14448), (1204, 13752), (1337, 12384), (1376, 12033), (1528, 10836), (1548, 10696), (1719, 9632), (1806, 9168), (2016, 8213), (2064, 8022), (2292, 7224), (2408, 6876), (2674, 6192), (2709, 6112), (3056, 5418), (3096, 5348), (3438, 4816), (3612, 4584), (4011, 4128)]