72538428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4578

約数の個数: 48

約数和(自身を含む): 180714240

約数和(自身を除く): 108175812

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1349, 2698, 4047, 4481, 5396, 8094, 8962, 13443, 16188, 17924, 26886, 53772, 85139, 170278, 255417, 318151, 340556, 510834, 636302, 954453, 1021668, 1272604, 1908906, 3817812, 6044869, 12089738, 18134607, 24179476, 36269214, 72538428]

約数ペア:

[(1, 72538428), (2, 36269214), (3, 24179476), (4, 18134607), (6, 12089738), (12, 6044869), (19, 3817812), (38, 1908906), (57, 1272604), (71, 1021668), (76, 954453), (114, 636302), (142, 510834), (213, 340556), (228, 318151), (284, 255417), (426, 170278), (852, 85139), (1349, 53772), (2698, 26886), (4047, 17924), (4481, 16188), (5396, 13443), (8094, 8962)]