640492339201

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{20627}}^1$

素因数の和:20962

約数の個数: 64

約数和(自身を含む): 815169712896

約数和(自身を除く): 174677373695

約数列:

[1, 11, 13, 17, 53, 143, 187, 221, 241, 583, 689, 901, 2431, 2651, 3133, 4097, 7579, 9911, 11713, 12773, 20627, 34463, 45067, 53261, 128843, 140503, 166049, 217141, 226897, 268151, 350659, 585871, 1093231, 1826539, 2388551, 2822833, 2949661, 3857249, 4558567, 4971107, 12025541, 14212003, 18584927, 31051163, 50144237, 54682177, 64624391, 84508819, 156332033, 204434197, 241604051, 263468671, 710868301, 929597009, 1098614647, 2657644561, 2898155381, 3425092723, 4478967407, 12084761117, 37676019953, 49268641477, 58226576291, 640492339201]

約数ペア:

[(1, 640492339201), (11, 58226576291), (13, 49268641477), (17, 37676019953), (53, 12084761117), (143, 4478967407), (187, 3425092723), (221, 2898155381), (241, 2657644561), (583, 1098614647), (689, 929597009), (901, 710868301), (2431, 263468671), (2651, 241604051), (3133, 204434197), (4097, 156332033), (7579, 84508819), (9911, 64624391), (11713, 54682177), (12773, 50144237), (20627, 31051163), (34463, 18584927), (45067, 14212003), (53261, 12025541), (128843, 4971107), (140503, 4558567), (166049, 3857249), (217141, 2949661), (226897, 2822833), (268151, 2388551), (350659, 1826539), (585871, 1093231)]