71310925

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2578

約数の個数: 36

約数和(自身を含む): 107377056

約数和(自身を除く): 36066131

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1127, 1225, 2531, 4025, 5635, 12655, 17717, 28175, 58213, 63275, 88585, 124019, 291065, 407491, 442925, 620095, 1455325, 2037455, 2852437, 3100475, 10187275, 14262185, 71310925]

約数ペア:

[(1, 71310925), (5, 14262185), (7, 10187275), (23, 3100475), (25, 2852437), (35, 2037455), (49, 1455325), (115, 620095), (161, 442925), (175, 407491), (245, 291065), (575, 124019), (805, 88585), (1127, 63275), (1225, 58213), (2531, 28175), (4025, 17717), (5635, 12655)]