128156964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821519}}^1$

素因数の和:821539

約数の個数: 24

約数和(自身を含む): 322035840

約数和(自身を除く): 193878876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 821519, 1643038, 2464557, 3286076, 4929114, 9858228, 10679747, 21359494, 32039241, 42718988, 64078482, 128156964]

約数ペア:

[(1, 128156964), (2, 64078482), (3, 42718988), (4, 32039241), (6, 21359494), (12, 10679747), (13, 9858228), (26, 4929114), (39, 3286076), (52, 2464557), (78, 1643038), (156, 821519)]