81007876

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{1889}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 144789120

約数和(自身を除く): 63781244

約数列:

[1, 2, 4, 71, 142, 151, 284, 302, 604, 1889, 3778, 7556, 10721, 21442, 42884, 134119, 268238, 285239, 536476, 570478, 1140956, 20251969, 40503938, 81007876]

約数ペア:

[(1, 81007876), (2, 40503938), (4, 20251969), (71, 1140956), (142, 570478), (151, 536476), (284, 285239), (302, 268238), (604, 134119), (1889, 42884), (3778, 21442), (7556, 10721)]