81881492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3203}}^1$

素因数の和:3308

約数の個数: 48

約数和(自身を含む): 180859392

約数和(自身を除く): 98977900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 83, 154, 166, 308, 332, 581, 913, 1162, 1826, 2324, 3203, 3652, 6391, 6406, 12782, 12812, 22421, 25564, 35233, 44842, 70466, 89684, 140932, 246631, 265849, 493262, 531698, 986524, 1063396, 1860943, 2924339, 3721886, 5848678, 7443772, 11697356, 20470373, 40940746, 81881492]

約数ペア:

[(1, 81881492), (2, 40940746), (4, 20470373), (7, 11697356), (11, 7443772), (14, 5848678), (22, 3721886), (28, 2924339), (44, 1860943), (77, 1063396), (83, 986524), (154, 531698), (166, 493262), (308, 265849), (332, 246631), (581, 140932), (913, 89684), (1162, 70466), (1826, 44842), (2324, 35233), (3203, 25564), (3652, 22421), (6391, 12812), (6406, 12782)]