77221465

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21720

約数の個数: 16

約数和(自身を含む): 99818496

約数和(自身を除く): 22597031

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 21661, 108305, 498203, 671491, 2491015, 3357455, 15444293, 77221465]

約数ペア:

[(1, 77221465), (5, 15444293), (23, 3357455), (31, 2491015), (115, 671491), (155, 498203), (713, 108305), (3565, 21661)]