428438998

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 742810176

約数和(自身を除く): 314371178

約数列:

[1, 2, 13, 17, 26, 34, 169, 173, 221, 338, 346, 431, 442, 862, 2249, 2873, 2941, 4498, 5603, 5746, 5882, 7327, 11206, 14654, 29237, 38233, 58474, 72839, 74563, 76466, 95251, 145678, 149126, 190502, 497029, 969319, 994058, 1238263, 1267571, 1938638, 2476526, 2535142, 12601147, 16478423, 25202294, 32956846, 214219499, 428438998]

約数ペア:

[(1, 428438998), (2, 214219499), (13, 32956846), (17, 25202294), (26, 16478423), (34, 12601147), (169, 2535142), (173, 2476526), (221, 1938638), (338, 1267571), (346, 1238263), (431, 994058), (442, 969319), (862, 497029), (2249, 190502), (2873, 149126), (2941, 145678), (4498, 95251), (5603, 76466), (5746, 74563), (5882, 72839), (7327, 58474), (11206, 38233), (14654, 29237)]