221519555

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 288921600

約数和(自身を除く): 67402045

約数列:

[1, 5, 23, 37, 79, 115, 185, 395, 659, 851, 1817, 2923, 3295, 4255, 9085, 14615, 15157, 24383, 52061, 67229, 75785, 121915, 260305, 336145, 560809, 1197403, 1926257, 2804045, 5987015, 9631285, 44303911, 221519555]

約数ペア:

[(1, 221519555), (5, 44303911), (23, 9631285), (37, 5987015), (79, 2804045), (115, 1926257), (185, 1197403), (395, 560809), (659, 336145), (851, 260305), (1817, 121915), (2923, 75785), (3295, 67229), (4255, 52061), (9085, 24383), (14615, 15157)]