71931990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{184441}}^1$

素因数の和:184464

約数の個数: 32

約数和(自身を含む): 185917536

約数和(自身を除く): 113985546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 184441, 368882, 553323, 922205, 1106646, 1844410, 2397733, 2766615, 4795466, 5533230, 7193199, 11988665, 14386398, 23977330, 35965995, 71931990]

約数ペア:

[(1, 71931990), (2, 35965995), (3, 23977330), (5, 14386398), (6, 11988665), (10, 7193199), (13, 5533230), (15, 4795466), (26, 2766615), (30, 2397733), (39, 1844410), (65, 1106646), (78, 922205), (130, 553323), (195, 368882), (390, 184441)]