28555345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 14119343

約数列:

[1, 5, 7, 13, 35, 65, 91, 97, 455, 485, 647, 679, 1261, 3235, 3395, 4529, 6305, 8411, 8827, 22645, 42055, 44135, 58877, 62759, 294385, 313795, 439313, 815867, 2196565, 4079335, 5711069, 28555345]

約数ペア:

[(1, 28555345), (5, 5711069), (7, 4079335), (13, 2196565), (35, 815867), (65, 439313), (91, 313795), (97, 294385), (455, 62759), (485, 58877), (647, 44135), (679, 42055), (1261, 22645), (3235, 8827), (3395, 8411), (4529, 6305)]