401034998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 788755968

約数和(自身を除く): 387720970

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 227, 238, 442, 454, 571, 1142, 1547, 1589, 2951, 3094, 3178, 3859, 3997, 5902, 7423, 7718, 7994, 9707, 14846, 19414, 20657, 27013, 41314, 50167, 51961, 54026, 67949, 100334, 103922, 126191, 129617, 135898, 252382, 259234, 351169, 702338, 883337, 907319, 1685021, 1766674, 1814638, 2203489, 3370042, 4406978, 11795147, 15424423, 23590294, 28645357, 30848846, 57290714, 200517499, 401034998]

約数ペア:

[(1, 401034998), (2, 200517499), (7, 57290714), (13, 30848846), (14, 28645357), (17, 23590294), (26, 15424423), (34, 11795147), (91, 4406978), (119, 3370042), (182, 2203489), (221, 1814638), (227, 1766674), (238, 1685021), (442, 907319), (454, 883337), (571, 702338), (1142, 351169), (1547, 259234), (1589, 252382), (2951, 135898), (3094, 129617), (3178, 126191), (3859, 103922), (3997, 100334), (5902, 67949), (7423, 54026), (7718, 51961), (7994, 50167), (9707, 41314), (14846, 27013), (19414, 20657)]