84865781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 114912000

約数和(自身を除く): 30046219

約数列:

[1, 7, 11, 13, 77, 91, 143, 149, 569, 1001, 1043, 1639, 1937, 3983, 6259, 7397, 11473, 13559, 21307, 43813, 51779, 81367, 84781, 149149, 569569, 593467, 932591, 1102153, 6528137, 7715071, 12123683, 84865781]

約数ペア:

[(1, 84865781), (7, 12123683), (11, 7715071), (13, 6528137), (77, 1102153), (91, 932591), (143, 593467), (149, 569569), (569, 149149), (1001, 84781), (1043, 81367), (1639, 51779), (1937, 43813), (3983, 21307), (6259, 13559), (7397, 11473)]