1640392311

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{21803}}^1$

素因数の和:22646

約数の個数: 16

約数和(自身を含む): 2260638720

約数和(自身を除く): 620246409

約数列:

[1, 3, 31, 93, 809, 2427, 21803, 25079, 65409, 75237, 675893, 2027679, 17638627, 52915881, 546797437, 1640392311]

約数ペア:

[(1, 1640392311), (3, 546797437), (31, 52915881), (93, 17638627), (809, 2027679), (2427, 675893), (21803, 75237), (25079, 65409)]