831330175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 1208735136

約数和(自身を除く): 377404961

約数列:

[1, 5, 13, 17, 25, 53, 65, 85, 167, 221, 265, 289, 325, 425, 689, 835, 901, 1105, 1325, 1445, 2171, 2839, 3445, 3757, 4175, 4505, 5525, 7225, 8851, 10855, 11713, 14195, 15317, 17225, 18785, 22525, 36907, 44255, 48263, 54275, 58565, 70975, 76585, 93925, 115063, 150467, 184535, 199121, 221275, 241315, 292825, 382925, 575315, 627419, 752335, 922675, 995605, 1206575, 1956071, 2557939, 2876575, 3137095, 3761675, 4978025, 9780355, 12789695, 15685475, 33253207, 48901775, 63948475, 166266035, 831330175]

約数ペア:

[(1, 831330175), (5, 166266035), (13, 63948475), (17, 48901775), (25, 33253207), (53, 15685475), (65, 12789695), (85, 9780355), (167, 4978025), (221, 3761675), (265, 3137095), (289, 2876575), (325, 2557939), (425, 1956071), (689, 1206575), (835, 995605), (901, 922675), (1105, 752335), (1325, 627419), (1445, 575315), (2171, 382925), (2839, 292825), (3445, 241315), (3757, 221275), (4175, 199121), (4505, 184535), (5525, 150467), (7225, 115063), (8851, 93925), (10855, 76585), (11713, 70975), (14195, 58565), (15317, 54275), (17225, 48263), (18785, 44255), (22525, 36907)]