381272905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{308723}}^1$

素因数の和:308760

約数の個数: 16

約数和(自身を含む): 518656320

約数和(自身を除く): 137383415

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 308723, 1543615, 4013399, 5865737, 20066995, 29328685, 76254581, 381272905]

約数ペア:

[(1, 381272905), (5, 76254581), (13, 29328685), (19, 20066995), (65, 5865737), (95, 4013399), (247, 1543615), (1235, 308723)]