16995965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 24938496

約数和(自身を除く): 7942531

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 491, 805, 989, 1505, 2455, 3437, 4945, 6923, 11293, 17185, 21113, 34615, 56465, 79051, 105565, 147791, 395255, 485599, 738955, 2427995, 3399193, 16995965]

約数ペア:

[(1, 16995965), (5, 3399193), (7, 2427995), (23, 738955), (35, 485599), (43, 395255), (115, 147791), (161, 105565), (215, 79051), (301, 56465), (491, 34615), (805, 21113), (989, 17185), (1505, 11293), (2455, 6923), (3437, 4945)]