978684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 2666496

約数和(自身を除く): 1687812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 191, 244, 366, 382, 427, 573, 732, 764, 854, 1146, 1281, 1337, 1708, 2292, 2562, 2674, 4011, 5124, 5348, 8022, 11651, 16044, 23302, 34953, 46604, 69906, 81557, 139812, 163114, 244671, 326228, 489342, 978684]

約数ペア:

[(1, 978684), (2, 489342), (3, 326228), (4, 244671), (6, 163114), (7, 139812), (12, 81557), (14, 69906), (21, 46604), (28, 34953), (42, 23302), (61, 16044), (84, 11651), (122, 8022), (183, 5348), (191, 5124), (244, 4011), (366, 2674), (382, 2562), (427, 2292), (573, 1708), (732, 1337), (764, 1281), (854, 1146)]