9980121887

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{9497}}^1$

素因数の和:9647

約数の個数: 24

約数和(自身を含む): 10943063712

約数和(自身を除く): 962941825

約数列:

[1, 19, 41, 71, 361, 779, 1349, 2911, 9497, 14801, 25631, 55309, 180443, 389377, 674287, 1050871, 3428417, 7398163, 12811453, 27645767, 140565097, 243417607, 525269573, 9980121887]

約数ペア:

[(1, 9980121887), (19, 525269573), (41, 243417607), (71, 140565097), (361, 27645767), (779, 12811453), (1349, 7398163), (2911, 3428417), (9497, 1050871), (14801, 674287), (25631, 389377), (55309, 180443)]