2168972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 4170096

約数和(自身を除く): 2001124

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 787, 1378, 1574, 2756, 3148, 10231, 20462, 40924, 41711, 83422, 166844, 542243, 1084486, 2168972]

約数ペア:

[(1, 2168972), (2, 1084486), (4, 542243), (13, 166844), (26, 83422), (52, 41711), (53, 40924), (106, 20462), (212, 10231), (689, 3148), (787, 2756), (1378, 1574)]