72213904

素因数分解:

$2^4\times 7^1\times {\mathrm{644767}}^1$

素因数の和:644782

約数の個数: 20

約数和(自身を含む): 159902464

約数和(自身を除く): 87688560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 644767, 1289534, 2579068, 4513369, 5158136, 9026738, 10316272, 18053476, 36106952, 72213904]

約数ペア:

[(1, 72213904), (2, 36106952), (4, 18053476), (7, 10316272), (8, 9026738), (14, 5158136), (16, 4513369), (28, 2579068), (56, 1289534), (112, 644767)]