221460976

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1567}}^1$

素因数の和:1670

約数の個数: 60

約数和(自身を含む): 478399936

約数和(自身を除く): 256938960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 121, 146, 176, 242, 292, 484, 584, 803, 968, 1168, 1567, 1606, 1936, 3134, 3212, 6268, 6424, 8833, 12536, 12848, 17237, 17666, 25072, 34474, 35332, 68948, 70664, 114391, 137896, 141328, 189607, 228782, 275792, 379214, 457564, 758428, 915128, 1258301, 1516856, 1830256, 2516602, 3033712, 5033204, 10066408, 13841311, 20132816, 27682622, 55365244, 110730488, 221460976]

約数ペア:

[(1, 221460976), (2, 110730488), (4, 55365244), (8, 27682622), (11, 20132816), (16, 13841311), (22, 10066408), (44, 5033204), (73, 3033712), (88, 2516602), (121, 1830256), (146, 1516856), (176, 1258301), (242, 915128), (292, 758428), (484, 457564), (584, 379214), (803, 275792), (968, 228782), (1168, 189607), (1567, 141328), (1606, 137896), (1936, 114391), (3134, 70664), (3212, 68948), (6268, 35332), (6424, 34474), (8833, 25072), (12536, 17666), (12848, 17237)]