78917865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4007}}^1$

素因数の和:4129

約数の個数: 32

約数和(自身を含む): 137362176

約数和(自身を除く): 58444311

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 4007, 6565, 12021, 19695, 20035, 52091, 60105, 156273, 260455, 404707, 781365, 1214121, 2023535, 5261191, 6070605, 15783573, 26305955, 78917865]

約数ペア:

[(1, 78917865), (3, 26305955), (5, 15783573), (13, 6070605), (15, 5261191), (39, 2023535), (65, 1214121), (101, 781365), (195, 404707), (303, 260455), (505, 156273), (1313, 60105), (1515, 52091), (3939, 20035), (4007, 19695), (6565, 12021)]