1221950704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{22859}}^1$

素因数の和:23137

約数の個数: 40

約数和(自身を含む): 2559679920

約数和(自身を除く): 1337729216

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 257, 514, 1028, 2056, 3341, 4112, 6682, 13364, 22859, 26728, 45718, 53456, 91436, 182872, 297167, 365744, 594334, 1188668, 2377336, 4754672, 5874763, 11749526, 23499052, 46998104, 76371919, 93996208, 152743838, 305487676, 610975352, 1221950704]

約数ペア:

[(1, 1221950704), (2, 610975352), (4, 305487676), (8, 152743838), (13, 93996208), (16, 76371919), (26, 46998104), (52, 23499052), (104, 11749526), (208, 5874763), (257, 4754672), (514, 2377336), (1028, 1188668), (2056, 594334), (3341, 365744), (4112, 297167), (6682, 182872), (13364, 91436), (22859, 53456), (26728, 45718)]