221919824

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 120

約数和(自身を含む): 540108288

約数和(自身を除く): 318188464

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 49, 56, 62, 92, 98, 112, 124, 161, 184, 196, 217, 248, 322, 368, 392, 397, 434, 496, 644, 713, 784, 794, 868, 1127, 1288, 1426, 1519, 1588, 1736, 2254, 2576, 2779, 2852, 3038, 3176, 3472, 4508, 4991, 5558, 5704, 6076, 6352, 9016, 9131, 9982, 11116, 11408, 12152, 12307, 18032, 18262, 19453, 19964, 22232, 24304, 24614, 34937, 36524, 38906, 39928, 44464, 49228, 63917, 69874, 73048, 77812, 79856, 86149, 98456, 127834, 139748, 146096, 155624, 172298, 196912, 255668, 279496, 283061, 311248, 344596, 447419, 511336, 558992, 566122, 603043, 689192, 894838, 1022672, 1132244, 1206086, 1378384, 1789676, 1981427, 2264488, 2412172, 3579352, 3962854, 4528976, 4824344, 7158704, 7925708, 9648688, 13869989, 15851416, 27739978, 31702832, 55479956, 110959912, 221919824]

約数ペア:

[(1, 221919824), (2, 110959912), (4, 55479956), (7, 31702832), (8, 27739978), (14, 15851416), (16, 13869989), (23, 9648688), (28, 7925708), (31, 7158704), (46, 4824344), (49, 4528976), (56, 3962854), (62, 3579352), (92, 2412172), (98, 2264488), (112, 1981427), (124, 1789676), (161, 1378384), (184, 1206086), (196, 1132244), (217, 1022672), (248, 894838), (322, 689192), (368, 603043), (392, 566122), (397, 558992), (434, 511336), (496, 447419), (644, 344596), (713, 311248), (784, 283061), (794, 279496), (868, 255668), (1127, 196912), (1288, 172298), (1426, 155624), (1519, 146096), (1588, 139748), (1736, 127834), (2254, 98456), (2576, 86149), (2779, 79856), (2852, 77812), (3038, 73048), (3176, 69874), (3472, 63917), (4508, 49228), (4991, 44464), (5558, 39928), (5704, 38906), (6076, 36524), (6352, 34937), (9016, 24614), (9131, 24304), (9982, 22232), (11116, 19964), (11408, 19453), (12152, 18262), (12307, 18032)]