28651285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 10378475

約数列:

[1, 5, 13, 31, 59, 65, 155, 241, 295, 403, 767, 1205, 1829, 2015, 3133, 3835, 7471, 9145, 14219, 15665, 23777, 37355, 71095, 97123, 118885, 184847, 440789, 485615, 924235, 2203945, 5730257, 28651285]

約数ペア:

[(1, 28651285), (5, 5730257), (13, 2203945), (31, 924235), (59, 485615), (65, 440789), (155, 184847), (241, 118885), (295, 97123), (403, 71095), (767, 37355), (1205, 23777), (1829, 15665), (2015, 14219), (3133, 9145), (3835, 7471)]