72920138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 118352640

約数和(自身を除く): 45432502

約数列:

[1, 2, 19, 38, 73, 97, 146, 194, 271, 542, 1387, 1843, 2774, 3686, 5149, 7081, 10298, 14162, 19783, 26287, 39566, 52574, 134539, 269078, 375877, 499453, 751754, 998906, 1918951, 3837902, 36460069, 72920138]

約数ペア:

[(1, 72920138), (2, 36460069), (19, 3837902), (38, 1918951), (73, 998906), (97, 751754), (146, 499453), (194, 375877), (271, 269078), (542, 134539), (1387, 52574), (1843, 39566), (2774, 26287), (3686, 19783), (5149, 14162), (7081, 10298)]