71411978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 121772160

約数和(自身を除く): 50360182

約数列:

[1, 2, 11, 22, 29, 58, 173, 319, 346, 638, 647, 1294, 1903, 3806, 5017, 7117, 10034, 14234, 18763, 37526, 55187, 110374, 111931, 206393, 223862, 412786, 1231241, 2462482, 3245999, 6491998, 35705989, 71411978]

約数ペア:

[(1, 71411978), (2, 35705989), (11, 6491998), (22, 3245999), (29, 2462482), (58, 1231241), (173, 412786), (319, 223862), (346, 206393), (638, 111931), (647, 110374), (1294, 55187), (1903, 37526), (3806, 18763), (5017, 14234), (7117, 10034)]