65016875

素因数分解:

$5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 103635576

約数和(自身を除く): 38618701

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 125, 175, 193, 245, 275, 385, 539, 625, 875, 965, 1225, 1351, 1375, 1925, 2123, 2695, 4375, 4825, 6125, 6755, 6875, 9457, 9625, 10615, 13475, 14861, 24125, 30625, 33775, 47285, 48125, 53075, 67375, 74305, 104027, 120625, 168875, 236425, 265375, 336875, 371525, 520135, 844375, 1182125, 1326875, 1857625, 2600675, 5910625, 9288125, 13003375, 65016875]

約数ペア:

[(1, 65016875), (5, 13003375), (7, 9288125), (11, 5910625), (25, 2600675), (35, 1857625), (49, 1326875), (55, 1182125), (77, 844375), (125, 520135), (175, 371525), (193, 336875), (245, 265375), (275, 236425), (385, 168875), (539, 120625), (625, 104027), (875, 74305), (965, 67375), (1225, 53075), (1351, 48125), (1375, 47285), (1925, 33775), (2123, 30625), (2695, 24125), (4375, 14861), (4825, 13475), (6125, 10615), (6755, 9625), (6875, 9457)]