990631033

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 1188273152

約数和(自身を除く): 197642119

約数列:

[1, 7, 43, 61, 163, 301, 331, 427, 1141, 2317, 2623, 7009, 9943, 14233, 18361, 20191, 49063, 53953, 69601, 99631, 141337, 377671, 427549, 868213, 2319979, 2992843, 3291133, 6077491, 16239853, 23037931, 141518719, 990631033]

約数ペア:

[(1, 990631033), (7, 141518719), (43, 23037931), (61, 16239853), (163, 6077491), (301, 3291133), (331, 2992843), (427, 2319979), (1141, 868213), (2317, 427549), (2623, 377671), (7009, 141337), (9943, 99631), (14233, 69601), (18361, 53953), (20191, 49063)]