78874918

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{4157}}^1$

素因数の和:4391

約数の個数: 16

約数和(自身を含む): 121247280

約数和(自身を除く): 42372362

約数列:

[1, 2, 53, 106, 179, 358, 4157, 8314, 9487, 18974, 220321, 440642, 744103, 1488206, 39437459, 78874918]

約数ペア:

[(1, 78874918), (2, 39437459), (53, 1488206), (106, 744103), (179, 440642), (358, 220321), (4157, 18974), (8314, 9487)]