155015908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{4987}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 286311200

約数和(自身を除く): 131295292

約数列:

[1, 2, 4, 19, 38, 76, 409, 818, 1636, 4987, 7771, 9974, 15542, 19948, 31084, 94753, 189506, 379012, 2039683, 4079366, 8158732, 38753977, 77507954, 155015908]

約数ペア:

[(1, 155015908), (2, 77507954), (4, 38753977), (19, 8158732), (38, 4079366), (76, 2039683), (409, 379012), (818, 189506), (1636, 94753), (4987, 31084), (7771, 19948), (9974, 15542)]