399897734

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 638254080

約数和(自身を除く): 238356346

約数列:

[1, 2, 23, 46, 107, 113, 214, 226, 719, 1438, 2461, 2599, 4922, 5198, 12091, 16537, 24182, 33074, 76933, 81247, 153866, 162494, 278093, 556186, 1769459, 1868681, 3538918, 3737362, 8693429, 17386858, 199948867, 399897734]

約数ペア:

[(1, 399897734), (2, 199948867), (23, 17386858), (46, 8693429), (107, 3737362), (113, 3538918), (214, 1868681), (226, 1769459), (719, 556186), (1438, 278093), (2461, 162494), (2599, 153866), (4922, 81247), (5198, 76933), (12091, 33074), (16537, 24182)]