81407448

素因数分解:

$2^3\times 3^2\times {\mathrm{353}}^1\times {\mathrm{3203}}^1$

素因数の和:3568

約数の個数: 48

約数和(自身を含む): 221172120

約数和(自身を除く): 139764672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 353, 706, 1059, 1412, 2118, 2824, 3177, 3203, 4236, 6354, 6406, 8472, 9609, 12708, 12812, 19218, 25416, 25624, 28827, 38436, 57654, 76872, 115308, 230616, 1130659, 2261318, 3391977, 4522636, 6783954, 9045272, 10175931, 13567908, 20351862, 27135816, 40703724, 81407448]

約数ペア:

[(1, 81407448), (2, 40703724), (3, 27135816), (4, 20351862), (6, 13567908), (8, 10175931), (9, 9045272), (12, 6783954), (18, 4522636), (24, 3391977), (36, 2261318), (72, 1130659), (353, 230616), (706, 115308), (1059, 76872), (1412, 57654), (2118, 38436), (2824, 28827), (3177, 25624), (3203, 25416), (4236, 19218), (6354, 12812), (6406, 12708), (8472, 9609)]