428049505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 569026080

約数和(自身を除く): 140976575

約数列:

[1, 5, 13, 61, 65, 89, 305, 445, 793, 1157, 1213, 3965, 5429, 5785, 6065, 15769, 27145, 70577, 73993, 78845, 107957, 352885, 369965, 539785, 961909, 1403441, 4809545, 6585377, 7017205, 32926885, 85609901, 428049505]

約数ペア:

[(1, 428049505), (5, 85609901), (13, 32926885), (61, 7017205), (65, 6585377), (89, 4809545), (305, 1403441), (445, 961909), (793, 539785), (1157, 369965), (1213, 352885), (3965, 107957), (5429, 78845), (5785, 73993), (6065, 70577), (15769, 27145)]