247654816

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5737}}^1$

素因数の和:5837

約数の個数: 48

約数和(自身を含む): 520551360

約数和(自身を除く): 272896544

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 71, 76, 142, 152, 284, 304, 568, 608, 1136, 1349, 2272, 2698, 5396, 5737, 10792, 11474, 21584, 22948, 43168, 45896, 91792, 109003, 183584, 218006, 407327, 436012, 814654, 872024, 1629308, 1744048, 3258616, 3488096, 6517232, 7739213, 13034464, 15478426, 30956852, 61913704, 123827408, 247654816]

約数ペア:

[(1, 247654816), (2, 123827408), (4, 61913704), (8, 30956852), (16, 15478426), (19, 13034464), (32, 7739213), (38, 6517232), (71, 3488096), (76, 3258616), (142, 1744048), (152, 1629308), (284, 872024), (304, 814654), (568, 436012), (608, 407327), (1136, 218006), (1349, 183584), (2272, 109003), (2698, 91792), (5396, 45896), (5737, 43168), (10792, 22948), (11474, 21584)]