28387072

素因数分解:

$2^8\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 68972736

約数和(自身を除く): 40585664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 73, 98, 112, 124, 128, 146, 196, 217, 224, 248, 256, 292, 392, 434, 448, 496, 511, 584, 784, 868, 896, 992, 1022, 1168, 1519, 1568, 1736, 1792, 1984, 2044, 2263, 2336, 3038, 3136, 3472, 3577, 3968, 4088, 4526, 4672, 6076, 6272, 6944, 7154, 7936, 8176, 9052, 9344, 12152, 12544, 13888, 14308, 15841, 16352, 18104, 18688, 24304, 27776, 28616, 31682, 32704, 36208, 48608, 55552, 57232, 63364, 65408, 72416, 97216, 110887, 114464, 126728, 130816, 144832, 194432, 221774, 228928, 253456, 289664, 388864, 443548, 457856, 506912, 579328, 887096, 915712, 1013824, 1774192, 2027648, 3548384, 4055296, 7096768, 14193536, 28387072]

約数ペア:

[(1, 28387072), (2, 14193536), (4, 7096768), (7, 4055296), (8, 3548384), (14, 2027648), (16, 1774192), (28, 1013824), (31, 915712), (32, 887096), (49, 579328), (56, 506912), (62, 457856), (64, 443548), (73, 388864), (98, 289664), (112, 253456), (124, 228928), (128, 221774), (146, 194432), (196, 144832), (217, 130816), (224, 126728), (248, 114464), (256, 110887), (292, 97216), (392, 72416), (434, 65408), (448, 63364), (496, 57232), (511, 55552), (584, 48608), (784, 36208), (868, 32704), (896, 31682), (992, 28616), (1022, 27776), (1168, 24304), (1519, 18688), (1568, 18104), (1736, 16352), (1792, 15841), (1984, 14308), (2044, 13888), (2263, 12544), (2336, 12152), (3038, 9344), (3136, 9052), (3472, 8176), (3577, 7936), (3968, 7154), (4088, 6944), (4526, 6272), (4672, 6076)]