28408576

素因数分解:

$2^8\times 7^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 65931264

約数和(自身を除く): 37522688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 191, 224, 256, 332, 382, 448, 581, 664, 764, 896, 1162, 1328, 1337, 1528, 1792, 2324, 2656, 2674, 3056, 4648, 5312, 5348, 6112, 9296, 10624, 10696, 12224, 15853, 18592, 21248, 21392, 24448, 31706, 37184, 42784, 48896, 63412, 74368, 85568, 110971, 126824, 148736, 171136, 221942, 253648, 342272, 443884, 507296, 887768, 1014592, 1775536, 2029184, 3551072, 4058368, 7102144, 14204288, 28408576]

約数ペア:

[(1, 28408576), (2, 14204288), (4, 7102144), (7, 4058368), (8, 3551072), (14, 2029184), (16, 1775536), (28, 1014592), (32, 887768), (56, 507296), (64, 443884), (83, 342272), (112, 253648), (128, 221942), (166, 171136), (191, 148736), (224, 126824), (256, 110971), (332, 85568), (382, 74368), (448, 63412), (581, 48896), (664, 42784), (764, 37184), (896, 31706), (1162, 24448), (1328, 21392), (1337, 21248), (1528, 18592), (1792, 15853), (2324, 12224), (2656, 10696), (2674, 10624), (3056, 9296), (4648, 6112), (5312, 5348)]