206952668

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{787}}^1$

素因数の和:1206

約数の個数: 36

約数和(自身を含む): 393676920

約数和(自身を除く): 186724252

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 389, 676, 778, 787, 1556, 1574, 3148, 5057, 10114, 10231, 20228, 20462, 40924, 65741, 131482, 133003, 262964, 266006, 306143, 532012, 612286, 1224572, 3979859, 7959718, 15919436, 51738167, 103476334, 206952668]

約数ペア:

[(1, 206952668), (2, 103476334), (4, 51738167), (13, 15919436), (26, 7959718), (52, 3979859), (169, 1224572), (338, 612286), (389, 532012), (676, 306143), (778, 266006), (787, 262964), (1556, 133003), (1574, 131482), (3148, 65741), (5057, 40924), (10114, 20462), (10231, 20228)]