1399356

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{617}}^1$

素因数の和:640

約数の個数: 60

約数和(自身を含む): 4187568

約数和(自身を除く): 2788212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 617, 756, 1134, 1234, 1851, 2268, 2468, 3702, 4319, 5553, 7404, 8638, 11106, 12957, 16659, 17276, 22212, 25914, 33318, 38871, 49977, 51828, 66636, 77742, 99954, 116613, 155484, 199908, 233226, 349839, 466452, 699678, 1399356]

約数ペア:

[(1, 1399356), (2, 699678), (3, 466452), (4, 349839), (6, 233226), (7, 199908), (9, 155484), (12, 116613), (14, 99954), (18, 77742), (21, 66636), (27, 51828), (28, 49977), (36, 38871), (42, 33318), (54, 25914), (63, 22212), (81, 17276), (84, 16659), (108, 12957), (126, 11106), (162, 8638), (189, 7404), (252, 5553), (324, 4319), (378, 3702), (567, 2468), (617, 2268), (756, 1851), (1134, 1234)]