81705708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10459}}^1$

素因数の和:10507

約数の個数: 72

約数和(自身を含む): 243676160

約数和(自身を除く): 161970452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 10459, 20918, 31377, 41836, 62754, 73213, 94131, 125508, 146426, 188262, 219639, 292852, 324229, 376524, 439278, 648458, 658917, 878556, 972687, 1296916, 1317834, 1945374, 2269603, 2635668, 2918061, 3890748, 4539206, 5836122, 6808809, 9078412, 11672244, 13617618, 20426427, 27235236, 40852854, 81705708]

約数ペア:

[(1, 81705708), (2, 40852854), (3, 27235236), (4, 20426427), (6, 13617618), (7, 11672244), (9, 9078412), (12, 6808809), (14, 5836122), (18, 4539206), (21, 3890748), (28, 2918061), (31, 2635668), (36, 2269603), (42, 1945374), (62, 1317834), (63, 1296916), (84, 972687), (93, 878556), (124, 658917), (126, 648458), (186, 439278), (217, 376524), (252, 324229), (279, 292852), (372, 219639), (434, 188262), (558, 146426), (651, 125508), (868, 94131), (1116, 73213), (1302, 62754), (1953, 41836), (2604, 31377), (3906, 20918), (7812, 10459)]