257715666442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{653}}^1\times {\mathrm{859}}^1$

素因数の和:1999

約数の個数: 64

約数和(自身を含む): 428606277120

約数和(自身を除く): 170890610678

約数列:

[1, 2, 13, 26, 41, 82, 431, 533, 653, 859, 862, 1066, 1306, 1718, 5603, 8489, 11167, 11206, 16978, 17671, 22334, 26773, 35219, 35342, 53546, 70438, 229723, 281443, 348049, 370229, 457847, 459446, 560927, 562886, 696098, 740458, 915694, 1121854, 3658759, 4812977, 7292051, 7317518, 9625954, 11539163, 14584102, 15179389, 22998007, 23078326, 30358778, 45996014, 150009119, 197332057, 241759537, 298974091, 300018238, 394664114, 483519074, 597948182, 3142873981, 6285747962, 9912141017, 19824282034, 128857833221, 257715666442]

約数ペア:

[(1, 257715666442), (2, 128857833221), (13, 19824282034), (26, 9912141017), (41, 6285747962), (82, 3142873981), (431, 597948182), (533, 483519074), (653, 394664114), (859, 300018238), (862, 298974091), (1066, 241759537), (1306, 197332057), (1718, 150009119), (5603, 45996014), (8489, 30358778), (11167, 23078326), (11206, 22998007), (16978, 15179389), (17671, 14584102), (22334, 11539163), (26773, 9625954), (35219, 7317518), (35342, 7292051), (53546, 4812977), (70438, 3658759), (229723, 1121854), (281443, 915694), (348049, 740458), (370229, 696098), (457847, 562886), (459446, 560927)]