28872783136

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{239}}^1\times {\mathrm{13063}}^1$

素因数の和:13346

約数の個数: 72

約数和(自身を含む): 60640997760

約数和(自身を除く): 31768214624

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 239, 272, 289, 478, 544, 578, 956, 1156, 1912, 2312, 3824, 4063, 4624, 7648, 8126, 9248, 13063, 16252, 26126, 32504, 52252, 65008, 69071, 104504, 130016, 138142, 209008, 222071, 276284, 418016, 444142, 552568, 888284, 1105136, 1776568, 2210272, 3122057, 3553136, 3775207, 6244114, 7106272, 7550414, 12488228, 15100828, 24976456, 30201656, 49952912, 53074969, 60403312, 99905824, 106149938, 120806624, 212299876, 424599752, 849199504, 902274473, 1698399008, 1804548946, 3609097892, 7218195784, 14436391568, 28872783136]

約数ペア:

[(1, 28872783136), (2, 14436391568), (4, 7218195784), (8, 3609097892), (16, 1804548946), (17, 1698399008), (32, 902274473), (34, 849199504), (68, 424599752), (136, 212299876), (239, 120806624), (272, 106149938), (289, 99905824), (478, 60403312), (544, 53074969), (578, 49952912), (956, 30201656), (1156, 24976456), (1912, 15100828), (2312, 12488228), (3824, 7550414), (4063, 7106272), (4624, 6244114), (7648, 3775207), (8126, 3553136), (9248, 3122057), (13063, 2210272), (16252, 1776568), (26126, 1105136), (32504, 888284), (52252, 552568), (65008, 444142), (69071, 418016), (104504, 276284), (130016, 222071), (138142, 209008)]