2571764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 36

約数和(自身を含む): 5152644

約数和(自身を除く): 2580880

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 137, 247, 274, 361, 494, 548, 722, 988, 1444, 1781, 2603, 3562, 4693, 5206, 7124, 9386, 10412, 18772, 33839, 49457, 67678, 98914, 135356, 197828, 642941, 1285882, 2571764]

約数ペア:

[(1, 2571764), (2, 1285882), (4, 642941), (13, 197828), (19, 135356), (26, 98914), (38, 67678), (52, 49457), (76, 33839), (137, 18772), (247, 10412), (274, 9386), (361, 7124), (494, 5206), (548, 4693), (722, 3562), (988, 2603), (1444, 1781)]