217637448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 650833920

約数和(自身を除く): 433196472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 47, 56, 84, 86, 94, 129, 141, 168, 172, 188, 258, 282, 301, 329, 344, 376, 516, 564, 602, 641, 658, 903, 987, 1032, 1128, 1204, 1282, 1316, 1806, 1923, 1974, 2021, 2408, 2564, 2632, 3612, 3846, 3948, 4042, 4487, 5128, 6063, 7224, 7692, 7896, 8084, 8974, 12126, 13461, 14147, 15384, 16168, 17948, 24252, 26922, 27563, 28294, 30127, 35896, 42441, 48504, 53844, 55126, 56588, 60254, 82689, 84882, 90381, 107688, 110252, 113176, 120508, 165378, 169764, 180762, 192941, 210889, 220504, 241016, 330756, 339528, 361524, 385882, 421778, 578823, 632667, 661512, 723048, 771764, 843556, 1157646, 1265334, 1295461, 1543528, 1687112, 2315292, 2530668, 2590922, 3886383, 4630584, 5061336, 5181844, 7772766, 9068227, 10363688, 15545532, 18136454, 27204681, 31091064, 36272908, 54409362, 72545816, 108818724, 217637448]

約数ペア:

[(1, 217637448), (2, 108818724), (3, 72545816), (4, 54409362), (6, 36272908), (7, 31091064), (8, 27204681), (12, 18136454), (14, 15545532), (21, 10363688), (24, 9068227), (28, 7772766), (42, 5181844), (43, 5061336), (47, 4630584), (56, 3886383), (84, 2590922), (86, 2530668), (94, 2315292), (129, 1687112), (141, 1543528), (168, 1295461), (172, 1265334), (188, 1157646), (258, 843556), (282, 771764), (301, 723048), (329, 661512), (344, 632667), (376, 578823), (516, 421778), (564, 385882), (602, 361524), (641, 339528), (658, 330756), (903, 241016), (987, 220504), (1032, 210889), (1128, 192941), (1204, 180762), (1282, 169764), (1316, 165378), (1806, 120508), (1923, 113176), (1974, 110252), (2021, 107688), (2408, 90381), (2564, 84882), (2632, 82689), (3612, 60254), (3846, 56588), (3948, 55126), (4042, 53844), (4487, 48504), (5128, 42441), (6063, 35896), (7224, 30127), (7692, 28294), (7896, 27563), (8084, 26922), (8974, 24252), (12126, 17948), (13461, 16168), (14147, 15384)]