28317790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 54213120

約数和(自身を除く): 25895330

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1447, 1957, 2894, 3914, 7235, 9785, 14470, 19570, 27493, 54986, 137465, 149041, 274930, 298082, 745205, 1490410, 2831779, 5663558, 14158895, 28317790]

約数ペア:

[(1, 28317790), (2, 14158895), (5, 5663558), (10, 2831779), (19, 1490410), (38, 745205), (95, 298082), (103, 274930), (190, 149041), (206, 137465), (515, 54986), (1030, 27493), (1447, 19570), (1957, 14470), (2894, 9785), (3914, 7235)]