248304875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 387459072

約数和(自身を除く): 139154197

約数列:

[1, 5, 7, 13, 25, 35, 65, 83, 91, 125, 175, 263, 325, 415, 455, 581, 875, 1079, 1315, 1625, 1841, 2075, 2275, 2905, 3419, 5395, 6575, 7553, 9205, 10375, 11375, 14525, 17095, 21829, 23933, 26975, 32875, 37765, 46025, 72625, 85475, 109145, 119665, 134875, 152803, 188825, 230125, 283777, 427375, 545725, 598325, 764015, 944125, 1418885, 1986439, 2728625, 2991625, 3820075, 7094425, 9932195, 19100375, 35472125, 49660975, 248304875]

約数ペア:

[(1, 248304875), (5, 49660975), (7, 35472125), (13, 19100375), (25, 9932195), (35, 7094425), (65, 3820075), (83, 2991625), (91, 2728625), (125, 1986439), (175, 1418885), (263, 944125), (325, 764015), (415, 598325), (455, 545725), (581, 427375), (875, 283777), (1079, 230125), (1315, 188825), (1625, 152803), (1841, 134875), (2075, 119665), (2275, 109145), (2905, 85475), (3419, 72625), (5395, 46025), (6575, 37765), (7553, 32875), (9205, 26975), (10375, 23933), (11375, 21829), (14525, 17095)]