684813238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{1531}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 1103040000

約数和(自身を除く): 418226762

約数列:

[1, 2, 19, 38, 79, 149, 158, 298, 1501, 1531, 2831, 3002, 3062, 5662, 11771, 23542, 29089, 58178, 120949, 223649, 228119, 241898, 447298, 456238, 2298031, 4334261, 4596062, 8668522, 18021401, 36042802, 342406619, 684813238]

約数ペア:

[(1, 684813238), (2, 342406619), (19, 36042802), (38, 18021401), (79, 8668522), (149, 4596062), (158, 4334261), (298, 2298031), (1501, 456238), (1531, 447298), (2831, 241898), (3002, 228119), (3062, 223649), (5662, 120949), (11771, 58178), (23542, 29089)]