71990345

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2417}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 105850368

約数和(自身を除く): 33860023

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 805, 851, 1295, 2417, 4255, 5957, 12085, 16919, 29785, 55591, 84595, 89429, 277955, 389137, 447145, 626003, 1945685, 2056867, 3130015, 10284335, 14398069, 71990345]

約数ペア:

[(1, 71990345), (5, 14398069), (7, 10284335), (23, 3130015), (35, 2056867), (37, 1945685), (115, 626003), (161, 447145), (185, 389137), (259, 277955), (805, 89429), (851, 84595), (1295, 55591), (2417, 29785), (4255, 16919), (5957, 12085)]