201925487725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1\times {\mathrm{4261}}^1$

素因数の和:7718

約数の個数: 48

約数和(自身を含む): 276065219584

約数和(自身を除く): 74139731859

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 3391, 4261, 13975, 16955, 21305, 44083, 55393, 84775, 106525, 145813, 183223, 220415, 276965, 729065, 916115, 1102075, 1384825, 1895569, 2381899, 3645325, 4580575, 9477845, 11909495, 14449051, 47389225, 59547475, 72245255, 187837663, 361226275, 621309193, 939188315, 3106545965, 4695941575, 8077019509, 15532729825, 40385097545, 201925487725]

約数ペア:

[(1, 201925487725), (5, 40385097545), (13, 15532729825), (25, 8077019509), (43, 4695941575), (65, 3106545965), (215, 939188315), (325, 621309193), (559, 361226275), (1075, 187837663), (2795, 72245255), (3391, 59547475), (4261, 47389225), (13975, 14449051), (16955, 11909495), (21305, 9477845), (44083, 4580575), (55393, 3645325), (84775, 2381899), (106525, 1895569), (145813, 1384825), (183223, 1102075), (220415, 916115), (276965, 729065)]