28891008

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:860

約数の個数: 96

約数和(自身を含む): 85924800

約数和(自身を除く): 57033792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 279, 288, 372, 384, 496, 558, 576, 744, 809, 992, 1116, 1152, 1488, 1618, 1984, 2232, 2427, 2976, 3236, 3968, 4464, 4854, 5952, 6472, 7281, 8928, 9708, 11904, 12944, 14562, 17856, 19416, 25079, 25888, 29124, 35712, 38832, 50158, 51776, 58248, 75237, 77664, 100316, 103552, 116496, 150474, 155328, 200632, 225711, 232992, 300948, 310656, 401264, 451422, 465984, 601896, 802528, 902844, 931968, 1203792, 1605056, 1805688, 2407584, 3210112, 3611376, 4815168, 7222752, 9630336, 14445504, 28891008]

約数ペア:

[(1, 28891008), (2, 14445504), (3, 9630336), (4, 7222752), (6, 4815168), (8, 3611376), (9, 3210112), (12, 2407584), (16, 1805688), (18, 1605056), (24, 1203792), (31, 931968), (32, 902844), (36, 802528), (48, 601896), (62, 465984), (64, 451422), (72, 401264), (93, 310656), (96, 300948), (124, 232992), (128, 225711), (144, 200632), (186, 155328), (192, 150474), (248, 116496), (279, 103552), (288, 100316), (372, 77664), (384, 75237), (496, 58248), (558, 51776), (576, 50158), (744, 38832), (809, 35712), (992, 29124), (1116, 25888), (1152, 25079), (1488, 19416), (1618, 17856), (1984, 14562), (2232, 12944), (2427, 11904), (2976, 9708), (3236, 8928), (3968, 7281), (4464, 6472), (4854, 5952)]