81640156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68261}}^1$

素因数の和:68301

約数の個数: 24

約数和(自身を含む): 160552224

約数和(自身を除く): 78912068

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 68261, 136522, 273044, 887393, 1570003, 1774786, 3140006, 3549572, 6280012, 20410039, 40820078, 81640156]

約数ペア:

[(1, 81640156), (2, 40820078), (4, 20410039), (13, 6280012), (23, 3549572), (26, 3140006), (46, 1774786), (52, 1570003), (92, 887393), (299, 273044), (598, 136522), (1196, 68261)]