81859024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 181488384

約数和(自身を除く): 99629360

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 71, 92, 104, 142, 184, 208, 241, 284, 299, 368, 482, 568, 598, 923, 964, 1136, 1196, 1633, 1846, 1928, 2392, 3133, 3266, 3692, 3856, 4784, 5543, 6266, 6532, 7384, 11086, 12532, 13064, 14768, 17111, 21229, 22172, 25064, 26128, 34222, 42458, 44344, 50128, 68444, 72059, 84916, 88688, 136888, 144118, 169832, 222443, 273776, 288236, 339664, 393553, 444886, 576472, 787106, 889772, 1152944, 1574212, 1779544, 3148424, 3559088, 5116189, 6296848, 10232378, 20464756, 40929512, 81859024]

約数ペア:

[(1, 81859024), (2, 40929512), (4, 20464756), (8, 10232378), (13, 6296848), (16, 5116189), (23, 3559088), (26, 3148424), (46, 1779544), (52, 1574212), (71, 1152944), (92, 889772), (104, 787106), (142, 576472), (184, 444886), (208, 393553), (241, 339664), (284, 288236), (299, 273776), (368, 222443), (482, 169832), (568, 144118), (598, 136888), (923, 88688), (964, 84916), (1136, 72059), (1196, 68444), (1633, 50128), (1846, 44344), (1928, 42458), (2392, 34222), (3133, 26128), (3266, 25064), (3692, 22172), (3856, 21229), (4784, 17111), (5543, 14768), (6266, 13064), (6532, 12532), (7384, 11086)]