81683574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1545

約数の個数: 64

約数和(自身を含む): 197345280

約数和(自身を除く): 115661706

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 43, 62, 86, 93, 129, 186, 217, 258, 301, 434, 602, 651, 903, 1302, 1333, 1459, 1806, 2666, 2918, 3999, 4377, 7998, 8754, 9331, 10213, 18662, 20426, 27993, 30639, 45229, 55986, 61278, 62737, 90458, 125474, 135687, 188211, 271374, 316603, 376422, 439159, 633206, 878318, 949809, 1317477, 1899618, 1944847, 2634954, 3889694, 5834541, 11669082, 13613929, 27227858, 40841787, 81683574]

約数ペア:

[(1, 81683574), (2, 40841787), (3, 27227858), (6, 13613929), (7, 11669082), (14, 5834541), (21, 3889694), (31, 2634954), (42, 1944847), (43, 1899618), (62, 1317477), (86, 949809), (93, 878318), (129, 633206), (186, 439159), (217, 376422), (258, 316603), (301, 271374), (434, 188211), (602, 135687), (651, 125474), (903, 90458), (1302, 62737), (1333, 61278), (1459, 55986), (1806, 45229), (2666, 30639), (2918, 27993), (3999, 20426), (4377, 18662), (7998, 10213), (8754, 9331)]