256319408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{2887}}^1$

素因数の和:3105

約数の個数: 40

約数和(自身を含む): 515681280

約数和(自身を除く): 259361872

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 179, 248, 358, 496, 716, 1432, 2864, 2887, 5549, 5774, 11098, 11548, 22196, 23096, 44392, 46192, 88784, 89497, 178994, 357988, 516773, 715976, 1033546, 1431952, 2067092, 4134184, 8268368, 16019963, 32039926, 64079852, 128159704, 256319408]

約数ペア:

[(1, 256319408), (2, 128159704), (4, 64079852), (8, 32039926), (16, 16019963), (31, 8268368), (62, 4134184), (124, 2067092), (179, 1431952), (248, 1033546), (358, 715976), (496, 516773), (716, 357988), (1432, 178994), (2864, 89497), (2887, 88784), (5549, 46192), (5774, 44392), (11098, 23096), (11548, 22196)]