66915654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 150087168

約数和(自身を除く): 83171514

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 71, 78, 86, 129, 142, 213, 258, 281, 426, 559, 562, 843, 923, 1118, 1677, 1686, 1846, 2769, 3053, 3354, 3653, 5538, 6106, 7306, 9159, 10959, 12083, 18318, 19951, 21918, 24166, 36249, 39689, 39902, 59853, 72498, 79378, 119067, 119706, 157079, 238134, 259363, 314158, 471237, 518726, 778089, 857893, 942474, 1556178, 1715786, 2573679, 5147358, 11152609, 22305218, 33457827, 66915654]

約数ペア:

[(1, 66915654), (2, 33457827), (3, 22305218), (6, 11152609), (13, 5147358), (26, 2573679), (39, 1715786), (43, 1556178), (71, 942474), (78, 857893), (86, 778089), (129, 518726), (142, 471237), (213, 314158), (258, 259363), (281, 238134), (426, 157079), (559, 119706), (562, 119067), (843, 79378), (923, 72498), (1118, 59853), (1677, 39902), (1686, 39689), (1846, 36249), (2769, 24166), (3053, 21918), (3354, 19951), (3653, 18318), (5538, 12083), (6106, 10959), (7306, 9159)]