681339316

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 1491840000

約数和(自身を除く): 810500684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 59, 76, 98, 118, 133, 196, 236, 266, 343, 413, 443, 532, 686, 826, 886, 931, 1121, 1372, 1652, 1772, 1862, 2242, 2891, 3101, 3724, 4484, 5782, 6202, 6517, 7847, 8417, 11564, 12404, 13034, 15694, 16834, 20237, 21707, 26068, 26137, 31388, 33668, 40474, 43414, 52274, 54929, 58919, 80948, 86828, 104548, 109858, 117838, 151949, 182959, 219716, 235676, 303898, 365918, 384503, 412433, 496603, 607796, 731836, 769006, 824866, 993206, 1280713, 1538012, 1649732, 1986412, 2561426, 2887031, 3476221, 5122852, 5774062, 6952442, 8964991, 11548124, 13904884, 17929982, 24333547, 35859964, 48667094, 97334188, 170334829, 340669658, 681339316]

約数ペア:

[(1, 681339316), (2, 340669658), (4, 170334829), (7, 97334188), (14, 48667094), (19, 35859964), (28, 24333547), (38, 17929982), (49, 13904884), (59, 11548124), (76, 8964991), (98, 6952442), (118, 5774062), (133, 5122852), (196, 3476221), (236, 2887031), (266, 2561426), (343, 1986412), (413, 1649732), (443, 1538012), (532, 1280713), (686, 993206), (826, 824866), (886, 769006), (931, 731836), (1121, 607796), (1372, 496603), (1652, 412433), (1772, 384503), (1862, 365918), (2242, 303898), (2891, 235676), (3101, 219716), (3724, 182959), (4484, 151949), (5782, 117838), (6202, 109858), (6517, 104548), (7847, 86828), (8417, 80948), (11564, 58919), (12404, 54929), (13034, 52274), (15694, 43414), (16834, 40474), (20237, 33668), (21707, 31388), (26068, 26137)]