666988

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 1407672

約数和(自身を除く): 740684

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 83, 98, 164, 166, 196, 287, 332, 574, 581, 1148, 1162, 2009, 2324, 3403, 4018, 4067, 6806, 8036, 8134, 13612, 16268, 23821, 47642, 95284, 166747, 333494, 666988]

約数ペア:

[(1, 666988), (2, 333494), (4, 166747), (7, 95284), (14, 47642), (28, 23821), (41, 16268), (49, 13612), (82, 8134), (83, 8036), (98, 6806), (164, 4067), (166, 4018), (196, 3403), (287, 2324), (332, 2009), (574, 1162), (581, 1148)]