256189024

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87977}}^1$

素因数の和:88007

約数の個数: 48

約数和(自身を含む): 620772768

約数和(自身を除く): 364583744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 87977, 175954, 351908, 615839, 703816, 1143701, 1231678, 1407632, 2287402, 2463356, 2815264, 4574804, 4926712, 8005907, 9149608, 9853424, 16011814, 18299216, 19706848, 32023628, 36598432, 64047256, 128094512, 256189024]

約数ペア:

[(1, 256189024), (2, 128094512), (4, 64047256), (7, 36598432), (8, 32023628), (13, 19706848), (14, 18299216), (16, 16011814), (26, 9853424), (28, 9149608), (32, 8005907), (52, 4926712), (56, 4574804), (91, 2815264), (104, 2463356), (112, 2287402), (182, 1407632), (208, 1231678), (224, 1143701), (364, 703816), (416, 615839), (728, 351908), (1456, 175954), (2912, 87977)]