81269810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1543}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 153411840

約数和(自身を除く): 72142030

約数列:

[1, 2, 5, 10, 23, 46, 115, 229, 230, 458, 1145, 1543, 2290, 3086, 5267, 7715, 10534, 15430, 26335, 35489, 52670, 70978, 177445, 353347, 354890, 706694, 1766735, 3533470, 8126981, 16253962, 40634905, 81269810]

約数ペア:

[(1, 81269810), (2, 40634905), (5, 16253962), (10, 8126981), (23, 3533470), (46, 1766735), (115, 706694), (229, 354890), (230, 353347), (458, 177445), (1145, 70978), (1543, 52670), (2290, 35489), (3086, 26335), (5267, 15430), (7715, 10534)]