289206866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 512265600

約数和(自身を除く): 223058734

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 109, 131, 218, 247, 262, 494, 533, 779, 1066, 1417, 1558, 1703, 2071, 2489, 2834, 3406, 4142, 4469, 4978, 5371, 8938, 10127, 10742, 14279, 20254, 26923, 28558, 32357, 53846, 58097, 64714, 69823, 84911, 102049, 116194, 139646, 169822, 185627, 204098, 271301, 371254, 542602, 585439, 1103843, 1170878, 1326637, 2207686, 2653274, 3526913, 7053826, 7610707, 11123341, 15221414, 22246682, 144603433, 289206866]

約数ペア:

[(1, 289206866), (2, 144603433), (13, 22246682), (19, 15221414), (26, 11123341), (38, 7610707), (41, 7053826), (82, 3526913), (109, 2653274), (131, 2207686), (218, 1326637), (247, 1170878), (262, 1103843), (494, 585439), (533, 542602), (779, 371254), (1066, 271301), (1417, 204098), (1558, 185627), (1703, 169822), (2071, 139646), (2489, 116194), (2834, 102049), (3406, 84911), (4142, 69823), (4469, 64714), (4978, 58097), (5371, 53846), (8938, 32357), (10127, 28558), (10742, 26923), (14279, 20254)]