289349324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 573985440

約数和(自身を除く): 284636116

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 89, 148, 178, 356, 407, 814, 979, 1628, 1958, 1997, 3293, 3916, 3994, 6586, 7988, 13172, 21967, 36223, 43934, 72446, 73889, 87868, 144892, 147778, 177733, 295556, 355466, 710932, 812779, 1625558, 1955063, 3251116, 3910126, 6576121, 7820252, 13152242, 26304484, 72337331, 144674662, 289349324]

約数ペア:

[(1, 289349324), (2, 144674662), (4, 72337331), (11, 26304484), (22, 13152242), (37, 7820252), (44, 6576121), (74, 3910126), (89, 3251116), (148, 1955063), (178, 1625558), (356, 812779), (407, 710932), (814, 355466), (979, 295556), (1628, 177733), (1958, 147778), (1997, 144892), (3293, 87868), (3916, 73889), (3994, 72446), (6586, 43934), (7988, 36223), (13172, 21967)]