208526305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{433}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 279982080

約数和(自身を除く): 71455775

約数列:

[1, 5, 13, 31, 65, 155, 239, 403, 433, 1195, 2015, 2165, 3107, 5629, 7409, 13423, 15535, 28145, 37045, 67115, 96317, 103487, 174499, 481585, 517435, 872495, 1345331, 3208097, 6726655, 16040485, 41705261, 208526305]

約数ペア:

[(1, 208526305), (5, 41705261), (13, 16040485), (31, 6726655), (65, 3208097), (155, 1345331), (239, 872495), (403, 517435), (433, 481585), (1195, 174499), (2015, 103487), (2165, 96317), (3107, 67115), (5629, 37045), (7409, 28145), (13423, 15535)]