212271136

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 144

約数和(自身を含む): 548819712

約数和(自身を除く): 336548576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 397, 434, 496, 539, 616, 682, 784, 794, 868, 992, 1078, 1232, 1364, 1519, 1568, 1588, 1736, 2156, 2387, 2464, 2728, 2779, 3038, 3176, 3472, 4312, 4367, 4774, 5456, 5558, 6076, 6352, 6944, 8624, 8734, 9548, 10912, 11116, 12152, 12307, 12704, 16709, 17248, 17468, 19096, 19453, 22232, 24304, 24614, 30569, 33418, 34936, 38192, 38906, 44464, 48608, 49228, 61138, 66836, 69872, 76384, 77812, 86149, 88928, 98456, 122276, 133672, 135377, 139744, 155624, 172298, 196912, 213983, 244552, 267344, 270754, 311248, 344596, 393824, 427966, 489104, 534688, 541508, 603043, 622496, 689192, 855932, 947639, 978208, 1083016, 1206086, 1378384, 1711864, 1895278, 2166032, 2412172, 2756768, 3423728, 3790556, 4332064, 4824344, 6633473, 6847456, 7581112, 9648688, 13266946, 15162224, 19297376, 26533892, 30324448, 53067784, 106135568, 212271136]

約数ペア:

[(1, 212271136), (2, 106135568), (4, 53067784), (7, 30324448), (8, 26533892), (11, 19297376), (14, 15162224), (16, 13266946), (22, 9648688), (28, 7581112), (31, 6847456), (32, 6633473), (44, 4824344), (49, 4332064), (56, 3790556), (62, 3423728), (77, 2756768), (88, 2412172), (98, 2166032), (112, 1895278), (124, 1711864), (154, 1378384), (176, 1206086), (196, 1083016), (217, 978208), (224, 947639), (248, 855932), (308, 689192), (341, 622496), (352, 603043), (392, 541508), (397, 534688), (434, 489104), (496, 427966), (539, 393824), (616, 344596), (682, 311248), (784, 270754), (794, 267344), (868, 244552), (992, 213983), (1078, 196912), (1232, 172298), (1364, 155624), (1519, 139744), (1568, 135377), (1588, 133672), (1736, 122276), (2156, 98456), (2387, 88928), (2464, 86149), (2728, 77812), (2779, 76384), (3038, 69872), (3176, 66836), (3472, 61138), (4312, 49228), (4367, 48608), (4774, 44464), (5456, 38906), (5558, 38192), (6076, 34936), (6352, 33418), (6944, 30569), (8624, 24614), (8734, 24304), (9548, 22232), (10912, 19453), (11116, 19096), (12152, 17468), (12307, 17248), (12704, 16709)]