28762811

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 9253189

約数列:

[1, 7, 11, 23, 77, 109, 149, 161, 253, 763, 1043, 1199, 1639, 1771, 2507, 3427, 8393, 11473, 16241, 17549, 23989, 27577, 37697, 113687, 178651, 193039, 263879, 373543, 1250557, 2614801, 4108973, 28762811]

約数ペア:

[(1, 28762811), (7, 4108973), (11, 2614801), (23, 1250557), (77, 373543), (109, 263879), (149, 193039), (161, 178651), (253, 113687), (763, 37697), (1043, 27577), (1199, 23989), (1639, 17549), (1771, 16241), (2507, 11473), (3427, 8393)]