321661535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1693}}^1$

素因数の和:1827

約数の個数: 32

約数和(自身を含む): 432579840

約数和(自身を除く): 110918305

約数列:

[1, 5, 13, 37, 65, 79, 185, 395, 481, 1027, 1693, 2405, 2923, 5135, 8465, 14615, 22009, 37999, 62641, 110045, 133747, 189995, 313205, 668735, 814333, 1738711, 4071665, 4948639, 8693555, 24743195, 64332307, 321661535]

約数ペア:

[(1, 321661535), (5, 64332307), (13, 24743195), (37, 8693555), (65, 4948639), (79, 4071665), (185, 1738711), (395, 814333), (481, 668735), (1027, 313205), (1693, 189995), (2405, 133747), (2923, 110045), (5135, 62641), (8465, 37999), (14615, 22009)]