388989978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1\times {\mathrm{2797}}^1$

素因数の和:4598

約数の個数: 32

約数和(自身を含む): 838594176

約数和(自身を除く): 449604198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1783, 2797, 3566, 5349, 5594, 8391, 10698, 16782, 23179, 36361, 46358, 69537, 72722, 109083, 139074, 218166, 4987051, 9974102, 14961153, 29922306, 64831663, 129663326, 194494989, 388989978]

約数ペア:

[(1, 388989978), (2, 194494989), (3, 129663326), (6, 64831663), (13, 29922306), (26, 14961153), (39, 9974102), (78, 4987051), (1783, 218166), (2797, 139074), (3566, 109083), (5349, 72722), (5594, 69537), (8391, 46358), (10698, 36361), (16782, 23179)]