78427375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 112641984

約数和(自身を除く): 34214609

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 167, 221, 289, 325, 425, 835, 1105, 1445, 1625, 2125, 2171, 2839, 3757, 4175, 5525, 7225, 10855, 14195, 18785, 20875, 27625, 36125, 36907, 48263, 54275, 70975, 93925, 184535, 241315, 271375, 354875, 469625, 627419, 922675, 1206575, 3137095, 4613375, 6032875, 15685475, 78427375]

約数ペア:

[(1, 78427375), (5, 15685475), (13, 6032875), (17, 4613375), (25, 3137095), (65, 1206575), (85, 922675), (125, 627419), (167, 469625), (221, 354875), (289, 271375), (325, 241315), (425, 184535), (835, 93925), (1105, 70975), (1445, 54275), (1625, 48263), (2125, 36907), (2171, 36125), (2839, 27625), (3757, 20875), (4175, 18785), (5525, 14195), (7225, 10855)]