253342856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{8669}}^1$

素因数の和:8969

約数の個数: 32

約数和(自身を含む): 513437400

約数和(自身を除く): 260094544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 1124, 2248, 3653, 7306, 8669, 14612, 17338, 29224, 34676, 69352, 112697, 225394, 450788, 901576, 2435989, 4871978, 9743956, 19487912, 31667857, 63335714, 126671428, 253342856]

約数ペア:

[(1, 253342856), (2, 126671428), (4, 63335714), (8, 31667857), (13, 19487912), (26, 9743956), (52, 4871978), (104, 2435989), (281, 901576), (562, 450788), (1124, 225394), (2248, 112697), (3653, 69352), (7306, 34676), (8669, 29224), (14612, 17338)]