247788008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{8419}}^1$

素因数の和:8721

約数の個数: 32

約数和(自身を含む): 502168800

約数和(自身を除く): 254380792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 283, 566, 1132, 2264, 3679, 7358, 8419, 14716, 16838, 29432, 33676, 67352, 109447, 218894, 437788, 875576, 2382577, 4765154, 9530308, 19060616, 30973501, 61947002, 123894004, 247788008]

約数ペア:

[(1, 247788008), (2, 123894004), (4, 61947002), (8, 30973501), (13, 19060616), (26, 9530308), (52, 4765154), (104, 2382577), (283, 875576), (566, 437788), (1132, 218894), (2264, 109447), (3679, 67352), (7358, 33676), (8419, 29432), (14716, 16838)]