997146370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{394129}}^1$

素因数の和:394170

約数の個数: 32

約数和(自身を含む): 2043169920

約数和(自身を除く): 1046023550

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 394129, 788258, 1970645, 3941290, 4335419, 8670838, 9064967, 18129934, 21677095, 43354190, 45324835, 90649670, 99714637, 199429274, 498573185, 997146370]

約数ペア:

[(1, 997146370), (2, 498573185), (5, 199429274), (10, 99714637), (11, 90649670), (22, 45324835), (23, 43354190), (46, 21677095), (55, 18129934), (110, 9064967), (115, 8670838), (230, 4335419), (253, 3941290), (506, 1970645), (1265, 788258), (2530, 394129)]