1387984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6673}}^1$

素因数の和:6694

約数の個数: 20

約数和(自身を含む): 2896516

約数和(自身を除く): 1508532

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6673, 13346, 26692, 53384, 86749, 106768, 173498, 346996, 693992, 1387984]

約数ペア:

[(1, 1387984), (2, 693992), (4, 346996), (8, 173498), (13, 106768), (16, 86749), (26, 53384), (52, 26692), (104, 13346), (208, 6673)]