258879467

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1151}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 339738624

約数和(自身を除く): 80859157

約数列:

[1, 7, 11, 23, 77, 127, 161, 253, 889, 1151, 1397, 1771, 2921, 8057, 9779, 12661, 20447, 26473, 32131, 88627, 146177, 185311, 224917, 291203, 1023239, 1607947, 2038421, 3362071, 11255629, 23534497, 36982781, 258879467]

約数ペア:

[(1, 258879467), (7, 36982781), (11, 23534497), (23, 11255629), (77, 3362071), (127, 2038421), (161, 1607947), (253, 1023239), (889, 291203), (1151, 224917), (1397, 185311), (1771, 146177), (2921, 88627), (8057, 32131), (9779, 26473), (12661, 20447)]