71321516

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1697}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 152140800

約数和(自身を除く): 80819284

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 1106, 1501, 1697, 2212, 3002, 3394, 6004, 6788, 10507, 11879, 21014, 23758, 32243, 42028, 47516, 64486, 128972, 134063, 225701, 268126, 451402, 536252, 902804, 938441, 1876882, 2547197, 3753764, 5094394, 10188788, 17830379, 35660758, 71321516]

約数ペア:

[(1, 71321516), (2, 35660758), (4, 17830379), (7, 10188788), (14, 5094394), (19, 3753764), (28, 2547197), (38, 1876882), (76, 938441), (79, 902804), (133, 536252), (158, 451402), (266, 268126), (316, 225701), (532, 134063), (553, 128972), (1106, 64486), (1501, 47516), (1697, 42028), (2212, 32243), (3002, 23758), (3394, 21014), (6004, 11879), (6788, 10507)]