161264155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{401}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 218816640

約数和(自身を除く): 57552485

約数列:

[1, 5, 13, 23, 65, 115, 269, 299, 401, 1345, 1495, 2005, 3497, 5213, 6187, 9223, 17485, 26065, 30935, 46115, 80431, 107869, 119899, 402155, 539345, 599495, 1402297, 2480987, 7011485, 12404935, 32252831, 161264155]

約数ペア:

[(1, 161264155), (5, 32252831), (13, 12404935), (23, 7011485), (65, 2480987), (115, 1402297), (269, 599495), (299, 539345), (401, 402155), (1345, 119899), (1495, 107869), (2005, 80431), (3497, 46115), (5213, 30935), (6187, 26065), (9223, 17485)]