397441564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{332309}}^1$

素因数の和:332349

約数の個数: 24

約数和(自身を含む): 781593120

約数和(自身を除く): 384151556

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 332309, 664618, 1329236, 4320017, 7643107, 8640034, 15286214, 17280068, 30572428, 99360391, 198720782, 397441564]

約数ペア:

[(1, 397441564), (2, 198720782), (4, 99360391), (13, 30572428), (23, 17280068), (26, 15286214), (46, 8640034), (52, 7643107), (92, 4320017), (299, 1329236), (598, 664618), (1196, 332309)]