81636730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61381}}^1$

素因数の和:61414

約数の個数: 32

約数和(自身を含む): 176780160

約数和(自身を除く): 95143430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 61381, 122762, 306905, 429667, 613810, 859334, 1166239, 2148335, 2332478, 4296670, 5831195, 8163673, 11662390, 16327346, 40818365, 81636730]

約数ペア:

[(1, 81636730), (2, 40818365), (5, 16327346), (7, 11662390), (10, 8163673), (14, 5831195), (19, 4296670), (35, 2332478), (38, 2148335), (70, 1166239), (95, 859334), (133, 613810), (190, 429667), (266, 306905), (665, 122762), (1330, 61381)]