25723815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 22176345

約数列:

[1, 3, 5, 13, 15, 19, 39, 53, 57, 65, 95, 131, 159, 195, 247, 265, 285, 393, 655, 689, 741, 795, 1007, 1235, 1703, 1965, 2067, 2489, 3021, 3445, 3705, 5035, 5109, 6943, 7467, 8515, 10335, 12445, 13091, 15105, 20829, 25545, 32357, 34715, 37335, 39273, 65455, 90259, 97071, 104145, 131917, 161785, 196365, 270777, 395751, 451295, 485355, 659585, 1353885, 1714921, 1978755, 5144763, 8574605, 25723815]

約数ペア:

[(1, 25723815), (3, 8574605), (5, 5144763), (13, 1978755), (15, 1714921), (19, 1353885), (39, 659585), (53, 485355), (57, 451295), (65, 395751), (95, 270777), (131, 196365), (159, 161785), (195, 131917), (247, 104145), (265, 97071), (285, 90259), (393, 65455), (655, 39273), (689, 37335), (741, 34715), (795, 32357), (1007, 25545), (1235, 20829), (1703, 15105), (1965, 13091), (2067, 12445), (2489, 10335), (3021, 8515), (3445, 7467), (3705, 6943), (5035, 5109)]