28351232

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 69708576

約数和(自身を除く): 41357344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1217, 1456, 1664, 1792, 2434, 2912, 3328, 4868, 5824, 8519, 9736, 11648, 15821, 17038, 19472, 23296, 31642, 34076, 38944, 63284, 68152, 77888, 110747, 126568, 136304, 155776, 221494, 253136, 272608, 311552, 442988, 506272, 545216, 885976, 1012544, 1090432, 1771952, 2025088, 2180864, 3543904, 4050176, 7087808, 14175616, 28351232]

約数ペア:

[(1, 28351232), (2, 14175616), (4, 7087808), (7, 4050176), (8, 3543904), (13, 2180864), (14, 2025088), (16, 1771952), (26, 1090432), (28, 1012544), (32, 885976), (52, 545216), (56, 506272), (64, 442988), (91, 311552), (104, 272608), (112, 253136), (128, 221494), (182, 155776), (208, 136304), (224, 126568), (256, 110747), (364, 77888), (416, 68152), (448, 63284), (728, 38944), (832, 34076), (896, 31642), (1217, 23296), (1456, 19472), (1664, 17038), (1792, 15821), (2434, 11648), (2912, 9736), (3328, 8519), (4868, 5824)]