86721964

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{1531}}^1$

素因数の和:1583

約数の個数: 54

約数和(自身を含む): 187659276

約数和(自身を除く): 100937312

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 289, 476, 578, 833, 1156, 1531, 1666, 2023, 3062, 3332, 4046, 6124, 8092, 10717, 14161, 21434, 26027, 28322, 42868, 52054, 56644, 75019, 104108, 150038, 182189, 300076, 364378, 442459, 728756, 884918, 1275323, 1769836, 2550646, 3097213, 5101292, 6194426, 12388852, 21680491, 43360982, 86721964]

約数ペア:

[(1, 86721964), (2, 43360982), (4, 21680491), (7, 12388852), (14, 6194426), (17, 5101292), (28, 3097213), (34, 2550646), (49, 1769836), (68, 1275323), (98, 884918), (119, 728756), (196, 442459), (238, 364378), (289, 300076), (476, 182189), (578, 150038), (833, 104108), (1156, 75019), (1531, 56644), (1666, 52054), (2023, 42868), (3062, 28322), (3332, 26027), (4046, 21434), (6124, 14161), (8092, 10717)]