90421810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{12973}}^1$

素因数の和:13038

約数の個数: 32

約数和(自身を含む): 176550192

約数和(自身を除く): 86128382

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 12973, 25946, 64865, 129730, 220541, 441082, 531893, 1063786, 1102705, 2205410, 2659465, 5318930, 9042181, 18084362, 45210905, 90421810]

約数ペア:

[(1, 90421810), (2, 45210905), (5, 18084362), (10, 9042181), (17, 5318930), (34, 2659465), (41, 2205410), (82, 1102705), (85, 1063786), (170, 531893), (205, 441082), (410, 220541), (697, 129730), (1394, 64865), (3485, 25946), (6970, 12973)]