89218775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 123325440

約数和(自身を除く): 34106665

約数列:

[1, 5, 19, 25, 31, 73, 83, 95, 155, 365, 415, 475, 589, 775, 1387, 1577, 1825, 2075, 2263, 2573, 2945, 6059, 6935, 7885, 11315, 12865, 14725, 30295, 34675, 39425, 42997, 48887, 56575, 64325, 115121, 151475, 187829, 214985, 244435, 575605, 939145, 1074925, 1222175, 2878025, 3568751, 4695725, 17843755, 89218775]

約数ペア:

[(1, 89218775), (5, 17843755), (19, 4695725), (25, 3568751), (31, 2878025), (73, 1222175), (83, 1074925), (95, 939145), (155, 575605), (365, 244435), (415, 214985), (475, 187829), (589, 151475), (775, 115121), (1387, 64325), (1577, 56575), (1825, 48887), (2075, 42997), (2263, 39425), (2573, 34675), (2945, 30295), (6059, 14725), (6935, 12865), (7885, 11315)]