81787974

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{1487}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 167132160

約数和(自身を除く): 85344186

約数列:

[1, 2, 3, 6, 89, 103, 178, 206, 267, 309, 534, 618, 1487, 2974, 4461, 8922, 9167, 18334, 27501, 55002, 132343, 153161, 264686, 306322, 397029, 459483, 794058, 918966, 13631329, 27262658, 40893987, 81787974]

約数ペア:

[(1, 81787974), (2, 40893987), (3, 27262658), (6, 13631329), (89, 918966), (103, 794058), (178, 459483), (206, 397029), (267, 306322), (309, 264686), (534, 153161), (618, 132343), (1487, 55002), (2974, 27501), (4461, 18334), (8922, 9167)]