16980456545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{8293}}^1$

素因数の和:8454

約数の個数: 48

約数和(自身を含む): 23527423920

約数和(自身を除く): 6546967375

約数列:

[1, 5, 13, 17, 65, 85, 109, 221, 289, 545, 1105, 1417, 1445, 1853, 3757, 7085, 8293, 9265, 18785, 24089, 31501, 41465, 107809, 120445, 140981, 157505, 409513, 539045, 704905, 903937, 1832753, 2047565, 2396677, 4519685, 9163765, 11751181, 11983385, 15366929, 31156801, 58755905, 76834645, 155784005, 199770077, 261237793, 998850385, 1306188965, 3396091309, 16980456545]

約数ペア:

[(1, 16980456545), (5, 3396091309), (13, 1306188965), (17, 998850385), (65, 261237793), (85, 199770077), (109, 155784005), (221, 76834645), (289, 58755905), (545, 31156801), (1105, 15366929), (1417, 11983385), (1445, 11751181), (1853, 9163765), (3757, 4519685), (7085, 2396677), (8293, 2047565), (9265, 1832753), (18785, 903937), (24089, 704905), (31501, 539045), (41465, 409513), (107809, 157505), (120445, 140981)]