266560918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31741}}^1$

素因数の和:31792

約数の個数: 32

約数和(自身を含む): 479939040

約数和(自身を除く): 213378122

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 4199, 8398, 31741, 63482, 412633, 539597, 603079, 825266, 1079194, 1206158, 7014761, 7840027, 10252343, 14029522, 15680054, 20504686, 133280459, 266560918]

約数ペア:

[(1, 266560918), (2, 133280459), (13, 20504686), (17, 15680054), (19, 14029522), (26, 10252343), (34, 7840027), (38, 7014761), (221, 1206158), (247, 1079194), (323, 825266), (442, 603079), (494, 539597), (646, 412633), (4199, 63482), (8398, 31741)]