31438590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24371}}^1$

素因数の和:24424

約数の個数: 32

約数和(自身を含む): 77210496

約数和(自身を除く): 45771906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 24371, 48742, 73113, 121855, 146226, 243710, 365565, 731130, 1047953, 2095906, 3143859, 5239765, 6287718, 10479530, 15719295, 31438590]

約数ペア:

[(1, 31438590), (2, 15719295), (3, 10479530), (5, 6287718), (6, 5239765), (10, 3143859), (15, 2095906), (30, 1047953), (43, 731130), (86, 365565), (129, 243710), (215, 146226), (258, 121855), (430, 73113), (645, 48742), (1290, 24371)]