64957176

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20981}}^1$

素因数の和:21036

約数の個数: 48

約数和(自身を含む): 180025560

約数和(自身を除く): 115068384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 20981, 41962, 62943, 83924, 125886, 167848, 188829, 251772, 377658, 503544, 755316, 902183, 1510632, 1804366, 2706549, 3608732, 5413098, 7217464, 8119647, 10826196, 16239294, 21652392, 32478588, 64957176]

約数ペア:

[(1, 64957176), (2, 32478588), (3, 21652392), (4, 16239294), (6, 10826196), (8, 8119647), (9, 7217464), (12, 5413098), (18, 3608732), (24, 2706549), (36, 1804366), (43, 1510632), (72, 902183), (86, 755316), (129, 503544), (172, 377658), (258, 251772), (344, 188829), (387, 167848), (516, 125886), (774, 83924), (1032, 62943), (1548, 41962), (3096, 20981)]