156919685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 216615168

約数和(自身を除く): 59695483

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 559, 989, 1495, 2441, 2795, 4945, 12205, 12857, 31733, 56143, 64285, 104963, 158665, 280715, 524815, 729859, 1364519, 2414149, 3649295, 6822595, 12070745, 31383937, 156919685]

約数ペア:

[(1, 156919685), (5, 31383937), (13, 12070745), (23, 6822595), (43, 3649295), (65, 2414149), (115, 1364519), (215, 729859), (299, 524815), (559, 280715), (989, 158665), (1495, 104963), (2441, 64285), (2795, 56143), (4945, 31733), (12205, 12857)]