71027138

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12589}}^1$

素因数の和:12642

約数の個数: 32

約数和(自身を含む): 135367680

約数和(自身を除く): 64340542

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 12589, 25178, 88123, 163657, 176246, 327314, 390259, 780518, 1145599, 2291198, 2731813, 5073367, 5463626, 10146734, 35513569, 71027138]

約数ペア:

[(1, 71027138), (2, 35513569), (7, 10146734), (13, 5463626), (14, 5073367), (26, 2731813), (31, 2291198), (62, 1145599), (91, 780518), (182, 390259), (217, 327314), (403, 176246), (434, 163657), (806, 88123), (2821, 25178), (5642, 12589)]