81377184908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{26115913}}^1$

素因数の和:26115977

約数の個数: 24

約数和(自身を含む): 153561574320

約数和(自身を除く): 72184389412

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 26115913, 52231826, 104463652, 496202347, 992404694, 1070752433, 1984809388, 2141504866, 4283009732, 20344296227, 40688592454, 81377184908]

約数ペア:

[(1, 81377184908), (2, 40688592454), (4, 20344296227), (19, 4283009732), (38, 2141504866), (41, 1984809388), (76, 1070752433), (82, 992404694), (164, 496202347), (779, 104463652), (1558, 52231826), (3116, 26115913)]