78261365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 118267776

約数和(自身を除く): 40006411

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 131, 169, 455, 505, 655, 707, 845, 917, 1183, 1313, 1703, 3535, 4585, 5915, 6565, 8515, 9191, 11921, 13231, 17069, 22139, 45955, 59605, 66155, 85345, 92617, 110695, 119483, 154973, 172003, 463085, 597415, 774865, 860015, 1204021, 2236039, 6020105, 11180195, 15652273, 78261365]

約数ペア:

[(1, 78261365), (5, 15652273), (7, 11180195), (13, 6020105), (35, 2236039), (65, 1204021), (91, 860015), (101, 774865), (131, 597415), (169, 463085), (455, 172003), (505, 154973), (655, 119483), (707, 110695), (845, 92617), (917, 85345), (1183, 66155), (1313, 59605), (1703, 45955), (3535, 22139), (4585, 17069), (5915, 13231), (6565, 11921), (8515, 9191)]