221263616

素因数分解:

$2^8\times 7^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:630

約数の個数: 108

約数和(自身を含む): 531276480

約数和(自身を除く): 310012864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 256, 392, 434, 448, 496, 569, 784, 868, 896, 992, 1138, 1519, 1568, 1736, 1792, 1984, 2276, 3038, 3136, 3472, 3968, 3983, 4552, 6076, 6272, 6944, 7936, 7966, 9104, 12152, 12544, 13888, 15932, 17639, 18208, 24304, 27776, 27881, 31864, 35278, 36416, 48608, 55552, 55762, 63728, 70556, 72832, 97216, 111524, 123473, 127456, 141112, 145664, 194432, 223048, 246946, 254912, 282224, 388864, 446096, 493892, 509824, 564448, 864311, 892192, 987784, 1019648, 1128896, 1728622, 1784384, 1975568, 2257792, 3457244, 3568768, 3951136, 4515584, 6914488, 7137536, 7902272, 13828976, 15804544, 27657952, 31609088, 55315904, 110631808, 221263616]

約数ペア:

[(1, 221263616), (2, 110631808), (4, 55315904), (7, 31609088), (8, 27657952), (14, 15804544), (16, 13828976), (28, 7902272), (31, 7137536), (32, 6914488), (49, 4515584), (56, 3951136), (62, 3568768), (64, 3457244), (98, 2257792), (112, 1975568), (124, 1784384), (128, 1728622), (196, 1128896), (217, 1019648), (224, 987784), (248, 892192), (256, 864311), (392, 564448), (434, 509824), (448, 493892), (496, 446096), (569, 388864), (784, 282224), (868, 254912), (896, 246946), (992, 223048), (1138, 194432), (1519, 145664), (1568, 141112), (1736, 127456), (1792, 123473), (1984, 111524), (2276, 97216), (3038, 72832), (3136, 70556), (3472, 63728), (3968, 55762), (3983, 55552), (4552, 48608), (6076, 36416), (6272, 35278), (6944, 31864), (7936, 27881), (7966, 27776), (9104, 24304), (12152, 18208), (12544, 17639), (13888, 15932)]