1212841625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{19681}}^1$

素因数の和:19742

約数の個数: 32

約数和(自身を含む): 1658011680

約数和(自身を除く): 445170055

約数列:

[1, 5, 17, 25, 29, 85, 125, 145, 425, 493, 725, 2125, 2465, 3625, 12325, 19681, 61625, 98405, 334577, 492025, 570749, 1672885, 2460125, 2853745, 8364425, 9702733, 14268725, 41822125, 48513665, 71343625, 242568325, 1212841625]

約数ペア:

[(1, 1212841625), (5, 242568325), (17, 71343625), (25, 48513665), (29, 41822125), (85, 14268725), (125, 9702733), (145, 8364425), (425, 2853745), (493, 2460125), (725, 1672885), (2125, 570749), (2465, 492025), (3625, 334577), (12325, 98405), (19681, 61625)]