397377346

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131321}}^1$

素因数の和:131429

約数の個数: 16

約数和(自身を含む): 638224920

約数和(自身を除く): 240847574

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 131321, 262642, 2232457, 4464914, 11687569, 23375138, 198688673, 397377346]

約数ペア:

[(1, 397377346), (2, 198688673), (17, 23375138), (34, 11687569), (89, 4464914), (178, 2232457), (1513, 262642), (3026, 131321)]