398968668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2447}}^1$

素因数の和:3111

約数の個数: 72

約数和(自身を含む): 1154829312

約数和(自身を除く): 755860644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 647, 1294, 1941, 2447, 2588, 3882, 4529, 4894, 5823, 7341, 7764, 9058, 9788, 11646, 13587, 14682, 17129, 18116, 22023, 23292, 27174, 29364, 34258, 40761, 44046, 51387, 54348, 68516, 81522, 88092, 102774, 154161, 163044, 205548, 308322, 616644, 1583209, 3166418, 4749627, 6332836, 9499254, 11082463, 14248881, 18998508, 22164926, 28497762, 33247389, 44329852, 56995524, 66494778, 99742167, 132989556, 199484334, 398968668]

約数ペア:

[(1, 398968668), (2, 199484334), (3, 132989556), (4, 99742167), (6, 66494778), (7, 56995524), (9, 44329852), (12, 33247389), (14, 28497762), (18, 22164926), (21, 18998508), (28, 14248881), (36, 11082463), (42, 9499254), (63, 6332836), (84, 4749627), (126, 3166418), (252, 1583209), (647, 616644), (1294, 308322), (1941, 205548), (2447, 163044), (2588, 154161), (3882, 102774), (4529, 88092), (4894, 81522), (5823, 68516), (7341, 54348), (7764, 51387), (9058, 44046), (9788, 40761), (11646, 34258), (13587, 29364), (14682, 27174), (17129, 23292), (18116, 22023)]