72621686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 117612000

約数和(自身を除く): 44990314

約数列:

[1, 2, 19, 38, 89, 109, 178, 197, 218, 394, 1691, 2071, 3382, 3743, 4142, 7486, 9701, 17533, 19402, 21473, 35066, 42946, 184319, 333127, 368638, 407987, 666254, 815974, 1911097, 3822194, 36310843, 72621686]

約数ペア:

[(1, 72621686), (2, 36310843), (19, 3822194), (38, 1911097), (89, 815974), (109, 666254), (178, 407987), (197, 368638), (218, 333127), (394, 184319), (1691, 42946), (2071, 35066), (3382, 21473), (3743, 19402), (4142, 17533), (7486, 9701)]