168627745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1303}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 239226624

約数和(自身を除く): 70598879

約数列:

[1, 5, 11, 13, 55, 65, 143, 181, 715, 905, 1303, 1991, 2353, 6515, 9955, 11765, 14333, 16939, 25883, 71665, 84695, 129415, 186329, 235843, 931645, 1179215, 2594273, 3065959, 12971365, 15329795, 33725549, 168627745]

約数ペア:

[(1, 168627745), (5, 33725549), (11, 15329795), (13, 12971365), (55, 3065959), (65, 2594273), (143, 1179215), (181, 931645), (715, 235843), (905, 186329), (1303, 129415), (1991, 84695), (2353, 71665), (6515, 25883), (9955, 16939), (11765, 14333)]