155770648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{19889}}^1$

素因数の和:19995

約数の個数: 32

約数和(自身を含む): 322218000

約数和(自身を除く): 166447352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 19889, 39778, 79556, 159112, 218779, 437558, 875116, 1750232, 1770121, 3540242, 7080484, 14160968, 19471331, 38942662, 77885324, 155770648]

約数ペア:

[(1, 155770648), (2, 77885324), (4, 38942662), (8, 19471331), (11, 14160968), (22, 7080484), (44, 3540242), (88, 1770121), (89, 1750232), (178, 875116), (356, 437558), (712, 218779), (979, 159112), (1958, 79556), (3916, 39778), (7832, 19889)]