7142443

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 9630720

約数和(自身を除く): 2488277

約数列:

[1, 7, 11, 23, 37, 77, 109, 161, 253, 259, 407, 763, 851, 1199, 1771, 2507, 2849, 4033, 5957, 8393, 9361, 17549, 27577, 28231, 44363, 65527, 92759, 193039, 310541, 649313, 1020349, 7142443]

約数ペア:

[(1, 7142443), (7, 1020349), (11, 649313), (23, 310541), (37, 193039), (77, 92759), (109, 65527), (161, 44363), (253, 28231), (259, 27577), (407, 17549), (763, 9361), (851, 8393), (1199, 5957), (1771, 4033), (2507, 2849)]