81404490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{37171}}^1$

素因数の和:37254

約数の個数: 32

約数和(自身を含む): 198052416

約数和(自身を除く): 116647926

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 37171, 74342, 111513, 185855, 223026, 371710, 557565, 1115130, 2713483, 5426966, 8140449, 13567415, 16280898, 27134830, 40702245, 81404490]

約数ペア:

[(1, 81404490), (2, 40702245), (3, 27134830), (5, 16280898), (6, 13567415), (10, 8140449), (15, 5426966), (30, 2713483), (73, 1115130), (146, 557565), (219, 371710), (365, 223026), (438, 185855), (730, 111513), (1095, 74342), (2190, 37171)]