291298540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{86183}}^1$

素因数の和:86218

約数の個数: 36

約数和(自身を含む): 662410224

約数和(自身を除く): 371111684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 86183, 172366, 344732, 430915, 861830, 1120379, 1723660, 2240758, 4481516, 5601895, 11203790, 14564927, 22407580, 29129854, 58259708, 72824635, 145649270, 291298540]

約数ペア:

[(1, 291298540), (2, 145649270), (4, 72824635), (5, 58259708), (10, 29129854), (13, 22407580), (20, 14564927), (26, 11203790), (52, 5601895), (65, 4481516), (130, 2240758), (169, 1723660), (260, 1120379), (338, 861830), (676, 430915), (845, 344732), (1690, 172366), (3380, 86183)]