38418185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 52164000

約数和(自身を除く): 13745815

約数列:

[1, 5, 13, 29, 65, 89, 145, 229, 377, 445, 1145, 1157, 1885, 2581, 2977, 5785, 6641, 12905, 14885, 20381, 33205, 33553, 86333, 101905, 167765, 264953, 431665, 591049, 1324765, 2955245, 7683637, 38418185]

約数ペア:

[(1, 38418185), (5, 7683637), (13, 2955245), (29, 1324765), (65, 591049), (89, 431665), (145, 264953), (229, 167765), (377, 101905), (445, 86333), (1145, 33553), (1157, 33205), (1885, 20381), (2581, 14885), (2977, 12905), (5785, 6641)]