78781012

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 144056640

約数和(自身を除く): 65275628

約数列:

[1, 2, 4, 61, 67, 79, 122, 134, 158, 244, 268, 316, 3721, 4087, 4819, 5293, 7442, 8174, 9638, 10586, 14884, 16348, 19276, 21172, 249307, 293959, 322873, 498614, 587918, 645746, 997228, 1175836, 1291492, 19695253, 39390506, 78781012]

約数ペア:

[(1, 78781012), (2, 39390506), (4, 19695253), (61, 1291492), (67, 1175836), (79, 997228), (122, 645746), (134, 587918), (158, 498614), (244, 322873), (268, 293959), (316, 249307), (3721, 21172), (4087, 19276), (4819, 16348), (5293, 14884), (7442, 10586), (8174, 9638)]