157440868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{4211}}^1$

素因数の和:4947

約数の個数: 24

約数和(自身を含む): 297198720

約数和(自身を除く): 139757852

約数列:

[1, 2, 4, 13, 26, 52, 719, 1438, 2876, 4211, 8422, 9347, 16844, 18694, 37388, 54743, 109486, 218972, 3027709, 6055418, 12110836, 39360217, 78720434, 157440868]

約数ペア:

[(1, 157440868), (2, 78720434), (4, 39360217), (13, 12110836), (26, 6055418), (52, 3027709), (719, 218972), (1438, 109486), (2876, 54743), (4211, 37388), (8422, 18694), (9347, 16844)]