28189910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23689}}^1$

素因数の和:23720

約数の個数: 32

約数和(自身を含む): 61404480

約数和(自身を除く): 33214570

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 23689, 47378, 118445, 165823, 236890, 331646, 402713, 805426, 829115, 1658230, 2013565, 2818991, 4027130, 5637982, 14094955, 28189910]

約数ペア:

[(1, 28189910), (2, 14094955), (5, 5637982), (7, 4027130), (10, 2818991), (14, 2013565), (17, 1658230), (34, 829115), (35, 805426), (70, 402713), (85, 331646), (119, 236890), (170, 165823), (238, 118445), (595, 47378), (1190, 23689)]