64578787

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 81047040

約数和(自身を除く): 16468253

約数列:

[1, 7, 13, 79, 91, 169, 553, 691, 1027, 1183, 4837, 7189, 8983, 13351, 54589, 62881, 93457, 116779, 382123, 709657, 817453, 4967599, 9225541, 64578787]

約数ペア:

[(1, 64578787), (7, 9225541), (13, 4967599), (79, 817453), (91, 709657), (169, 382123), (553, 116779), (691, 93457), (1027, 62881), (1183, 54589), (4837, 13351), (7189, 8983)]