387289968

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{620657}}^1$

素因数の和:620681

約数の個数: 40

約数和(自身を含む): 1077462288

約数和(自身を除く): 690172320

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 620657, 1241314, 1861971, 2482628, 3723942, 4965256, 7447884, 8068541, 9930512, 14895768, 16137082, 24205623, 29791536, 32274164, 48411246, 64548328, 96822492, 129096656, 193644984, 387289968]

約数ペア:

[(1, 387289968), (2, 193644984), (3, 129096656), (4, 96822492), (6, 64548328), (8, 48411246), (12, 32274164), (13, 29791536), (16, 24205623), (24, 16137082), (26, 14895768), (39, 9930512), (48, 8068541), (52, 7447884), (78, 4965256), (104, 3723942), (156, 2482628), (208, 1861971), (312, 1241314), (624, 620657)]