8990488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 18315360

約数和(自身を除く): 9324872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 631, 1096, 1262, 1781, 2524, 3562, 5048, 7124, 8203, 14248, 16406, 32812, 65624, 86447, 172894, 345788, 691576, 1123811, 2247622, 4495244, 8990488]

約数ペア:

[(1, 8990488), (2, 4495244), (4, 2247622), (8, 1123811), (13, 691576), (26, 345788), (52, 172894), (104, 86447), (137, 65624), (274, 32812), (548, 16406), (631, 14248), (1096, 8203), (1262, 7124), (1781, 5048), (2524, 3562)]