71312395

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 111103488

約数和(自身を除く): 39791093

約数列:

[1, 5, 7, 11, 35, 47, 49, 55, 77, 235, 245, 329, 385, 517, 539, 563, 1645, 2303, 2585, 2695, 2815, 3619, 3941, 6193, 11515, 18095, 19705, 25333, 26461, 27587, 30965, 43351, 126665, 132305, 137935, 185227, 216755, 291071, 303457, 926135, 1296589, 1455355, 1517285, 2037497, 6482945, 10187485, 14262479, 71312395]

約数ペア:

[(1, 71312395), (5, 14262479), (7, 10187485), (11, 6482945), (35, 2037497), (47, 1517285), (49, 1455355), (55, 1296589), (77, 926135), (235, 303457), (245, 291071), (329, 216755), (385, 185227), (517, 137935), (539, 132305), (563, 126665), (1645, 43351), (2303, 30965), (2585, 27587), (2695, 26461), (2815, 25333), (3619, 19705), (3941, 18095), (6193, 11515)]