179940978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2221}}^1$

素因数の和:2879

約数の個数: 48

約数和(自身を含む): 446462016

約数和(自身を除く): 266521038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 643, 1286, 1929, 2221, 3858, 4442, 4501, 5787, 6663, 9002, 11574, 13326, 13503, 15547, 19989, 27006, 31094, 39978, 40509, 46641, 81018, 93282, 139923, 279846, 1428103, 2856206, 4284309, 8568618, 9996721, 12852927, 19993442, 25705854, 29990163, 59980326, 89970489, 179940978]

約数ペア:

[(1, 179940978), (2, 89970489), (3, 59980326), (6, 29990163), (7, 25705854), (9, 19993442), (14, 12852927), (18, 9996721), (21, 8568618), (42, 4284309), (63, 2856206), (126, 1428103), (643, 279846), (1286, 139923), (1929, 93282), (2221, 81018), (3858, 46641), (4442, 40509), (4501, 39978), (5787, 31094), (6663, 27006), (9002, 19989), (11574, 15547), (13326, 13503)]