388657672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{219829}}^1$

素因数の和:219865

約数の個数: 32

約数和(自身を含む): 830957400

約数和(自身を除く): 442299728

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 219829, 439658, 879316, 1758632, 2857777, 3737093, 5715554, 7474186, 11431108, 14948372, 22862216, 29896744, 48582209, 97164418, 194328836, 388657672]

約数ペア:

[(1, 388657672), (2, 194328836), (4, 97164418), (8, 48582209), (13, 29896744), (17, 22862216), (26, 14948372), (34, 11431108), (52, 7474186), (68, 5715554), (104, 3737093), (136, 2857777), (221, 1758632), (442, 879316), (884, 439658), (1768, 219829)]