279905714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 501645312

約数和(自身を除く): 221739598

約数列:

[1, 2, 11, 17, 22, 34, 71, 83, 127, 142, 166, 187, 254, 374, 781, 913, 1207, 1397, 1411, 1562, 1826, 2159, 2414, 2794, 2822, 4318, 5893, 9017, 10541, 11786, 13277, 15521, 18034, 21082, 23749, 26554, 31042, 47498, 64823, 99187, 100181, 115951, 129646, 153289, 179197, 198374, 200362, 231902, 306578, 358394, 748411, 1101991, 1496822, 1686179, 1971167, 2203982, 3372358, 3942334, 8232521, 12722987, 16465042, 25445974, 139952857, 279905714]

約数ペア:

[(1, 279905714), (2, 139952857), (11, 25445974), (17, 16465042), (22, 12722987), (34, 8232521), (71, 3942334), (83, 3372358), (127, 2203982), (142, 1971167), (166, 1686179), (187, 1496822), (254, 1101991), (374, 748411), (781, 358394), (913, 306578), (1207, 231902), (1397, 200362), (1411, 198374), (1562, 179197), (1826, 153289), (2159, 129646), (2414, 115951), (2794, 100181), (2822, 99187), (4318, 64823), (5893, 47498), (9017, 31042), (10541, 26554), (11786, 23749), (13277, 21082), (15521, 18034)]