15231.000000

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 403200

約数和(自身を除く): 218330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 139, 190, 266, 278, 665, 695, 973, 1330, 1390, 1946, 2641, 4865, 5282, 9730, 13205, 18487, 26410, 36974, 92435, 184870]

約数ペア:

[(1, 184870), (2, 92435), (5, 36974), (7, 26410), (10, 18487), (14, 13205), (19, 9730), (35, 5282), (38, 4865), (70, 2641), (95, 1946), (133, 1390), (139, 1330), (190, 973), (266, 695), (278, 665)]