328156790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{132857}}^1$

素因数の和:132896

約数の個数: 32

約数和(自身を含む): 669604320

約数和(自身を除く): 341447530

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 132857, 265714, 664285, 1328570, 1727141, 2524283, 3454282, 5048566, 8635705, 12621415, 17271410, 25242830, 32815679, 65631358, 164078395, 328156790]

約数ペア:

[(1, 328156790), (2, 164078395), (5, 65631358), (10, 32815679), (13, 25242830), (19, 17271410), (26, 12621415), (38, 8635705), (65, 5048566), (95, 3454282), (130, 2524283), (190, 1727141), (247, 1328570), (494, 664285), (1235, 265714), (2470, 132857)]