51798272

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 109492992

約数和(自身を除く): 57694720

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 107, 122, 124, 128, 214, 244, 248, 256, 428, 488, 496, 856, 976, 992, 1712, 1891, 1952, 1984, 3317, 3424, 3782, 3904, 3968, 6527, 6634, 6848, 7564, 7808, 7936, 13054, 13268, 13696, 15128, 15616, 26108, 26536, 27392, 30256, 52216, 53072, 60512, 104432, 106144, 121024, 202337, 208864, 212288, 242048, 404674, 417728, 424576, 484096, 809348, 835456, 849152, 1618696, 1670912, 3237392, 6474784, 12949568, 25899136, 51798272]

約数ペア:

[(1, 51798272), (2, 25899136), (4, 12949568), (8, 6474784), (16, 3237392), (31, 1670912), (32, 1618696), (61, 849152), (62, 835456), (64, 809348), (107, 484096), (122, 424576), (124, 417728), (128, 404674), (214, 242048), (244, 212288), (248, 208864), (256, 202337), (428, 121024), (488, 106144), (496, 104432), (856, 60512), (976, 53072), (992, 52216), (1712, 30256), (1891, 27392), (1952, 26536), (1984, 26108), (3317, 15616), (3424, 15128), (3782, 13696), (3904, 13268), (3968, 13054), (6527, 7936), (6634, 7808), (6848, 7564)]