87661690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{12577}}^1$

素因数の和:12642

約数の個数: 32

約数和(自身を含む): 171161424

約数和(自身を除く): 83499734

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 12577, 25154, 62885, 125770, 213809, 427618, 515657, 1031314, 1069045, 2138090, 2578285, 5156570, 8766169, 17532338, 43830845, 87661690]

約数ペア:

[(1, 87661690), (2, 43830845), (5, 17532338), (10, 8766169), (17, 5156570), (34, 2578285), (41, 2138090), (82, 1069045), (85, 1031314), (170, 515657), (205, 427618), (410, 213809), (697, 125770), (1394, 62885), (3485, 25154), (6970, 12577)]