81491844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1433}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 217784448

約数和(自身を除く): 136292604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 677, 1354, 1433, 2031, 2708, 2866, 4062, 4299, 4739, 5732, 8124, 8598, 9478, 10031, 14217, 17196, 18956, 20062, 28434, 30093, 40124, 56868, 60186, 120372, 970141, 1940282, 2910423, 3880564, 5820846, 6790987, 11641692, 13581974, 20372961, 27163948, 40745922, 81491844]

約数ペア:

[(1, 81491844), (2, 40745922), (3, 27163948), (4, 20372961), (6, 13581974), (7, 11641692), (12, 6790987), (14, 5820846), (21, 3880564), (28, 2910423), (42, 1940282), (84, 970141), (677, 120372), (1354, 60186), (1433, 56868), (2031, 40124), (2708, 30093), (2866, 28434), (4062, 20062), (4299, 18956), (4739, 17196), (5732, 14217), (8124, 10031), (8598, 9478)]