1388693402

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{425197}}^1$

素因数の和:425293

約数の個数: 16

約数和(自身を含む): 2204226432

約数和(自身を除く): 815533030

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 425197, 850394, 9779531, 19559062, 30188987, 60377974, 694346701, 1388693402]

約数ペア:

[(1, 1388693402), (2, 694346701), (23, 60377974), (46, 30188987), (71, 19559062), (142, 9779531), (1633, 850394), (3266, 425197)]