1938993875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{457}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 2992813824

約数和(自身を除く): 1053819949

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 373, 455, 457, 875, 1625, 1865, 2275, 2285, 2611, 3199, 4849, 5941, 9325, 11375, 11425, 13055, 15995, 24245, 29705, 33943, 41587, 46625, 57125, 65275, 79975, 121225, 148525, 169715, 170461, 207935, 326375, 399875, 606125, 742625, 848575, 852305, 1039675, 1193227, 2215993, 4242875, 4261525, 5198375, 5966135, 11079965, 15511951, 21307625, 29830675, 55399825, 77559755, 149153375, 276999125, 387798775, 1938993875]

約数ペア:

[(1, 1938993875), (5, 387798775), (7, 276999125), (13, 149153375), (25, 77559755), (35, 55399825), (65, 29830675), (91, 21307625), (125, 15511951), (175, 11079965), (325, 5966135), (373, 5198375), (455, 4261525), (457, 4242875), (875, 2215993), (1625, 1193227), (1865, 1039675), (2275, 852305), (2285, 848575), (2611, 742625), (3199, 606125), (4849, 399875), (5941, 326375), (9325, 207935), (11375, 170461), (11425, 169715), (13055, 148525), (15995, 121225), (24245, 79975), (29705, 65275), (33943, 57125), (41587, 46625)]