221410930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21559}}^1$

素因数の和:21658

約数の個数: 32

約数和(自身を含む): 434649600

約数和(自身を除く): 213238670

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 21559, 43118, 107795, 215590, 280267, 560534, 1401335, 1703161, 2802670, 3406322, 8515805, 17031610, 22141093, 44282186, 110705465, 221410930]

約数ペア:

[(1, 221410930), (2, 110705465), (5, 44282186), (10, 22141093), (13, 17031610), (26, 8515805), (65, 3406322), (79, 2802670), (130, 1703161), (158, 1401335), (395, 560534), (790, 280267), (1027, 215590), (2054, 107795), (5135, 43118), (10270, 21559)]