818889498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{106543}}^1$

素因数の和:106619

約数の個数: 48

約数和(自身を含む): 2060987136

約数和(自身を除く): 1242097638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 3843, 7686, 106543, 213086, 319629, 639258, 745801, 958887, 1491602, 1917774, 2237403, 4474806, 6499123, 6712209, 12998246, 13424418, 19497369, 38994738, 45493861, 58492107, 90987722, 116984214, 136481583, 272963166, 409444749, 818889498]

約数ペア:

[(1, 818889498), (2, 409444749), (3, 272963166), (6, 136481583), (7, 116984214), (9, 90987722), (14, 58492107), (18, 45493861), (21, 38994738), (42, 19497369), (61, 13424418), (63, 12998246), (122, 6712209), (126, 6499123), (183, 4474806), (366, 2237403), (427, 1917774), (549, 1491602), (854, 958887), (1098, 745801), (1281, 639258), (2562, 319629), (3843, 213086), (7686, 106543)]