289705986

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:1047

約数の個数: 48

約数和(自身を含む): 639258048

約数和(自身を除く): 349552062

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 397, 426, 571, 639, 794, 1142, 1191, 1278, 1713, 2382, 3426, 3573, 5139, 7146, 10278, 28187, 40541, 56374, 81082, 84561, 121623, 169122, 226687, 243246, 253683, 364869, 453374, 507366, 680061, 729738, 1360122, 2040183, 4080366, 16094777, 32189554, 48284331, 96568662, 144852993, 289705986]

約数ペア:

[(1, 289705986), (2, 144852993), (3, 96568662), (6, 48284331), (9, 32189554), (18, 16094777), (71, 4080366), (142, 2040183), (213, 1360122), (397, 729738), (426, 680061), (571, 507366), (639, 453374), (794, 364869), (1142, 253683), (1191, 243246), (1278, 226687), (1713, 169122), (2382, 121623), (3426, 84561), (3573, 81082), (5139, 56374), (7146, 40541), (10278, 28187)]