685890504

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{81421}}^1$

素因数の和:81452

約数の個数: 80

約数和(自身を含む): 2068933020

約数和(自身を除く): 1383042516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 81421, 162842, 244263, 325684, 488526, 651368, 732789, 977052, 1058473, 1465578, 1954104, 2116946, 2198367, 2931156, 3175419, 4233892, 4396734, 5862312, 6350838, 6595101, 8467784, 8793468, 9526257, 12701676, 13190202, 17586936, 19052514, 25403352, 26380404, 28578771, 38105028, 52760808, 57157542, 76210056, 85736313, 114315084, 171472626, 228630168, 342945252, 685890504]

約数ペア:

[(1, 685890504), (2, 342945252), (3, 228630168), (4, 171472626), (6, 114315084), (8, 85736313), (9, 76210056), (12, 57157542), (13, 52760808), (18, 38105028), (24, 28578771), (26, 26380404), (27, 25403352), (36, 19052514), (39, 17586936), (52, 13190202), (54, 12701676), (72, 9526257), (78, 8793468), (81, 8467784), (104, 6595101), (108, 6350838), (117, 5862312), (156, 4396734), (162, 4233892), (216, 3175419), (234, 2931156), (312, 2198367), (324, 2116946), (351, 1954104), (468, 1465578), (648, 1058473), (702, 977052), (936, 732789), (1053, 651368), (1404, 488526), (2106, 325684), (2808, 244263), (4212, 162842), (8424, 81421)]