28540655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 12101905

約数列:

[1, 5, 11, 13, 55, 65, 143, 179, 223, 715, 895, 1115, 1969, 2327, 2453, 2899, 9845, 11635, 12265, 14495, 25597, 31889, 39917, 127985, 159445, 199585, 439087, 518921, 2195435, 2594605, 5708131, 28540655]

約数ペア:

[(1, 28540655), (5, 5708131), (11, 2594605), (13, 2195435), (55, 518921), (65, 439087), (143, 199585), (179, 159445), (223, 127985), (715, 39917), (895, 31889), (1115, 25597), (1969, 14495), (2327, 12265), (2453, 11635), (2899, 9845)]