254291016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 757186560

約数和(自身を除く): 502895544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 157, 168, 186, 217, 248, 311, 314, 372, 434, 471, 622, 628, 651, 744, 868, 933, 942, 1099, 1244, 1256, 1302, 1736, 1866, 1884, 2177, 2198, 2488, 2604, 3297, 3732, 3768, 4354, 4396, 4867, 5208, 6531, 6594, 7464, 8708, 8792, 9641, 9734, 13062, 13188, 14601, 17416, 19282, 19468, 26124, 26376, 28923, 29202, 34069, 38564, 38936, 48827, 52248, 57846, 58404, 67487, 68138, 77128, 97654, 102207, 115692, 116808, 134974, 136276, 146481, 195308, 202461, 204414, 231384, 269948, 272552, 292962, 341789, 390616, 404922, 408828, 539896, 585924, 683578, 809844, 817656, 1025367, 1171848, 1367156, 1513637, 1619688, 2050734, 2734312, 3027274, 4101468, 4540911, 6054548, 8202936, 9081822, 10595459, 12109096, 18163644, 21190918, 31786377, 36327288, 42381836, 63572754, 84763672, 127145508, 254291016]

約数ペア:

[(1, 254291016), (2, 127145508), (3, 84763672), (4, 63572754), (6, 42381836), (7, 36327288), (8, 31786377), (12, 21190918), (14, 18163644), (21, 12109096), (24, 10595459), (28, 9081822), (31, 8202936), (42, 6054548), (56, 4540911), (62, 4101468), (84, 3027274), (93, 2734312), (124, 2050734), (157, 1619688), (168, 1513637), (186, 1367156), (217, 1171848), (248, 1025367), (311, 817656), (314, 809844), (372, 683578), (434, 585924), (471, 539896), (622, 408828), (628, 404922), (651, 390616), (744, 341789), (868, 292962), (933, 272552), (942, 269948), (1099, 231384), (1244, 204414), (1256, 202461), (1302, 195308), (1736, 146481), (1866, 136276), (1884, 134974), (2177, 116808), (2198, 115692), (2488, 102207), (2604, 97654), (3297, 77128), (3732, 68138), (3768, 67487), (4354, 58404), (4396, 57846), (4867, 52248), (5208, 48827), (6531, 38936), (6594, 38564), (7464, 34069), (8708, 29202), (8792, 28923), (9641, 26376), (9734, 26124), (13062, 19468), (13188, 19282), (14601, 17416)]