221857108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 438939648

約数和(自身を除く): 217082540

約数列:

[1, 2, 4, 11, 22, 44, 47, 71, 94, 142, 188, 284, 517, 781, 1034, 1511, 1562, 2068, 3022, 3124, 3337, 6044, 6674, 13348, 16621, 33242, 36707, 66484, 71017, 73414, 107281, 142034, 146828, 214562, 284068, 429124, 781187, 1180091, 1562374, 2360182, 3124748, 4720364, 5042207, 10084414, 20168828, 55464277, 110928554, 221857108]

約数ペア:

[(1, 221857108), (2, 110928554), (4, 55464277), (11, 20168828), (22, 10084414), (44, 5042207), (47, 4720364), (71, 3124748), (94, 2360182), (142, 1562374), (188, 1180091), (284, 781187), (517, 429124), (781, 284068), (1034, 214562), (1511, 146828), (1562, 142034), (2068, 107281), (3022, 73414), (3124, 71017), (3337, 66484), (6044, 36707), (6674, 33242), (13348, 16621)]