1246207781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{19207}}^1$

素因数の和:19281

約数の個数: 32

約数和(自身を含む): 1652195328

約数和(自身を除く): 405987547

約数列:

[1, 7, 13, 23, 31, 91, 161, 217, 299, 403, 713, 2093, 2821, 4991, 9269, 19207, 64883, 134449, 249691, 441761, 595417, 1747837, 3092327, 4167919, 5742893, 7740421, 13694591, 40200251, 54182947, 95862137, 178029683, 1246207781]

約数ペア:

[(1, 1246207781), (7, 178029683), (13, 95862137), (23, 54182947), (31, 40200251), (91, 13694591), (161, 7740421), (217, 5742893), (299, 4167919), (403, 3092327), (713, 1747837), (2093, 595417), (2821, 441761), (4991, 249691), (9269, 134449), (19207, 64883)]