217581232

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:659

約数の個数: 80

約数和(自身を含む): 491781024

約数和(自身を除く): 274199792

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 374, 484, 601, 748, 968, 1202, 1331, 1496, 1936, 2057, 2404, 2662, 2992, 4114, 4808, 5324, 6611, 8228, 9616, 10217, 10648, 13222, 16456, 20434, 21296, 22627, 26444, 32912, 40868, 45254, 52888, 72721, 81736, 90508, 105776, 112387, 145442, 163472, 181016, 224774, 290884, 362032, 449548, 581768, 799931, 899096, 1163536, 1236257, 1599862, 1798192, 2472514, 3199724, 4945028, 6399448, 9890056, 12798896, 13598827, 19780112, 27197654, 54395308, 108790616, 217581232]

約数ペア:

[(1, 217581232), (2, 108790616), (4, 54395308), (8, 27197654), (11, 19780112), (16, 13598827), (17, 12798896), (22, 9890056), (34, 6399448), (44, 4945028), (68, 3199724), (88, 2472514), (121, 1798192), (136, 1599862), (176, 1236257), (187, 1163536), (242, 899096), (272, 799931), (374, 581768), (484, 449548), (601, 362032), (748, 290884), (968, 224774), (1202, 181016), (1331, 163472), (1496, 145442), (1936, 112387), (2057, 105776), (2404, 90508), (2662, 81736), (2992, 72721), (4114, 52888), (4808, 45254), (5324, 40868), (6611, 32912), (8228, 26444), (9616, 22627), (10217, 21296), (10648, 20434), (13222, 16456)]