1978500784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9512023}}^1$

素因数の和:9512044

約数の個数: 20

約数和(自身を含む): 4128218416

約数和(自身を除く): 2149717632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9512023, 19024046, 38048092, 76096184, 123656299, 152192368, 247312598, 494625196, 989250392, 1978500784]

約数ペア:

[(1, 1978500784), (2, 989250392), (4, 494625196), (8, 247312598), (13, 152192368), (16, 123656299), (26, 76096184), (52, 38048092), (104, 19024046), (208, 9512023)]