215848828

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{1187}}^1$

素因数の和:1486

約数の個数: 36

約数和(自身を含む): 410893560

約数和(自身を除く): 195044732

約数列:

[1, 2, 4, 13, 26, 52, 169, 269, 338, 538, 676, 1076, 1187, 2374, 3497, 4748, 6994, 13988, 15431, 30862, 45461, 61724, 90922, 181844, 200603, 319303, 401206, 638606, 802412, 1277212, 4150939, 8301878, 16603756, 53962207, 107924414, 215848828]

約数ペア:

[(1, 215848828), (2, 107924414), (4, 53962207), (13, 16603756), (26, 8301878), (52, 4150939), (169, 1277212), (269, 802412), (338, 638606), (538, 401206), (676, 319303), (1076, 200603), (1187, 181844), (2374, 90922), (3497, 61724), (4748, 45461), (6994, 30862), (13988, 15431)]