28975464

素因数分解:

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

素因数の和:260

約数の個数: 144

約数和(自身を含む): 93899520

約数和(自身を除く): 64924056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 49, 56, 63, 72, 84, 86, 98, 126, 129, 147, 168, 172, 191, 196, 252, 258, 294, 301, 344, 382, 387, 392, 441, 504, 516, 573, 588, 602, 764, 774, 882, 903, 1032, 1146, 1176, 1204, 1337, 1528, 1548, 1719, 1764, 1806, 2107, 2292, 2408, 2674, 2709, 3096, 3438, 3528, 3612, 4011, 4214, 4584, 5348, 5418, 6321, 6876, 7224, 8022, 8213, 8428, 9359, 10696, 10836, 12033, 12642, 13752, 16044, 16426, 16856, 18718, 18963, 21672, 24066, 24639, 25284, 28077, 32088, 32852, 37436, 37926, 48132, 49278, 50568, 56154, 57491, 65704, 73917, 74872, 75852, 84231, 96264, 98556, 112308, 114982, 147834, 151704, 168462, 172473, 197112, 224616, 229964, 295668, 336924, 344946, 402437, 459928, 517419, 591336, 673848, 689892, 804874, 1034838, 1207311, 1379784, 1609748, 2069676, 2414622, 3219496, 3621933, 4139352, 4829244, 7243866, 9658488, 14487732, 28975464]

約数ペア:

[(1, 28975464), (2, 14487732), (3, 9658488), (4, 7243866), (6, 4829244), (7, 4139352), (8, 3621933), (9, 3219496), (12, 2414622), (14, 2069676), (18, 1609748), (21, 1379784), (24, 1207311), (28, 1034838), (36, 804874), (42, 689892), (43, 673848), (49, 591336), (56, 517419), (63, 459928), (72, 402437), (84, 344946), (86, 336924), (98, 295668), (126, 229964), (129, 224616), (147, 197112), (168, 172473), (172, 168462), (191, 151704), (196, 147834), (252, 114982), (258, 112308), (294, 98556), (301, 96264), (344, 84231), (382, 75852), (387, 74872), (392, 73917), (441, 65704), (504, 57491), (516, 56154), (573, 50568), (588, 49278), (602, 48132), (764, 37926), (774, 37436), (882, 32852), (903, 32088), (1032, 28077), (1146, 25284), (1176, 24639), (1204, 24066), (1337, 21672), (1528, 18963), (1548, 18718), (1719, 16856), (1764, 16426), (1806, 16044), (2107, 13752), (2292, 12642), (2408, 12033), (2674, 10836), (2709, 10696), (3096, 9359), (3438, 8428), (3528, 8213), (3612, 8022), (4011, 7224), (4214, 6876), (4584, 6321), (5348, 5418)]