1297999552

素因数分解:

$2^6\times {\mathrm{311}}^1\times {\mathrm{65213}}^1$

素因数の和:65536

約数の個数: 28

約数和(自身を含む): 2584039536

約数和(自身を除く): 1286039984

約数列:

[1, 2, 4, 8, 16, 32, 64, 311, 622, 1244, 2488, 4976, 9952, 19904, 65213, 130426, 260852, 521704, 1043408, 2086816, 4173632, 20281243, 40562486, 81124972, 162249944, 324499888, 648999776, 1297999552]

約数ペア:

[(1, 1297999552), (2, 648999776), (4, 324499888), (8, 162249944), (16, 81124972), (32, 40562486), (64, 20281243), (311, 4173632), (622, 2086816), (1244, 1043408), (2488, 521704), (4976, 260852), (9952, 130426), (19904, 65213)]