81813704

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7649}}^1$

素因数の和:7853

約数の個数: 32

約数和(自身を含む): 176256000

約数和(自身を除く): 94442296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 7649, 10696, 15298, 30596, 53543, 61192, 107086, 214172, 428344, 1460959, 2921918, 5843836, 10226713, 11687672, 20453426, 40906852, 81813704]

約数ペア:

[(1, 81813704), (2, 40906852), (4, 20453426), (7, 11687672), (8, 10226713), (14, 5843836), (28, 2921918), (56, 1460959), (191, 428344), (382, 214172), (764, 107086), (1337, 61192), (1528, 53543), (2674, 30596), (5348, 15298), (7649, 10696)]