1680821272

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{1243211}}^1$

素因数の和:1243243

約数の個数: 24

約数和(自身を含む): 3412616940

約数和(自身を除く): 1731795668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 1243211, 2486422, 4972844, 9945688, 16161743, 32323486, 64646972, 129293944, 210102659, 420205318, 840410636, 1680821272]

約数ペア:

[(1, 1680821272), (2, 840410636), (4, 420205318), (8, 210102659), (13, 129293944), (26, 64646972), (52, 32323486), (104, 16161743), (169, 9945688), (338, 4972844), (676, 2486422), (1352, 1243211)]