68496988

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 141269184

約数和(自身を除く): 72772196

約数列:

[1, 2, 4, 7, 14, 28, 53, 101, 106, 202, 212, 371, 404, 457, 707, 742, 914, 1414, 1484, 1828, 2828, 3199, 5353, 6398, 10706, 12796, 21412, 24221, 37471, 46157, 48442, 74942, 92314, 96884, 149884, 169547, 184628, 323099, 339094, 646198, 678188, 1292396, 2446321, 4892642, 9785284, 17124247, 34248494, 68496988]

約数ペア:

[(1, 68496988), (2, 34248494), (4, 17124247), (7, 9785284), (14, 4892642), (28, 2446321), (53, 1292396), (101, 678188), (106, 646198), (202, 339094), (212, 323099), (371, 184628), (404, 169547), (457, 149884), (707, 96884), (742, 92314), (914, 74942), (1414, 48442), (1484, 46157), (1828, 37471), (2828, 24221), (3199, 21412), (5353, 12796), (6398, 10706)]