861588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 2690688

約数和(自身を除く): 1829100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 263, 273, 364, 468, 526, 546, 789, 819, 1052, 1092, 1578, 1638, 1841, 2367, 3156, 3276, 3419, 3682, 4734, 5523, 6838, 7364, 9468, 10257, 11046, 13676, 16569, 20514, 22092, 23933, 30771, 33138, 41028, 47866, 61542, 66276, 71799, 95732, 123084, 143598, 215397, 287196, 430794, 861588]

約数ペア:

[(1, 861588), (2, 430794), (3, 287196), (4, 215397), (6, 143598), (7, 123084), (9, 95732), (12, 71799), (13, 66276), (14, 61542), (18, 47866), (21, 41028), (26, 33138), (28, 30771), (36, 23933), (39, 22092), (42, 20514), (52, 16569), (63, 13676), (78, 11046), (84, 10257), (91, 9468), (117, 7364), (126, 6838), (156, 5523), (182, 4734), (234, 3682), (252, 3419), (263, 3276), (273, 3156), (364, 2367), (468, 1841), (526, 1638), (546, 1578), (789, 1092), (819, 1052)]