641412865

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 817090560

約数和(自身を除く): 175677695

約数列:

[1, 5, 29, 61, 127, 145, 305, 571, 635, 1769, 2855, 3683, 7747, 8845, 16559, 18415, 34831, 38735, 72517, 82795, 174155, 224663, 362585, 1010099, 1123315, 2102993, 4423537, 5050495, 10514965, 22117685, 128282573, 641412865]

約数ペア:

[(1, 641412865), (5, 128282573), (29, 22117685), (61, 10514965), (127, 5050495), (145, 4423537), (305, 2102993), (571, 1123315), (635, 1010099), (1769, 362585), (2855, 224663), (3683, 174155), (7747, 82795), (8845, 72517), (16559, 38735), (18415, 34831)]