66455890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{907}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 127090944

約数和(自身を除く): 60635054

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 431, 862, 907, 1814, 2155, 4310, 4535, 7327, 9070, 14654, 15419, 30838, 36635, 73270, 77095, 154190, 390917, 781834, 1954585, 3909170, 6645589, 13291178, 33227945, 66455890]

約数ペア:

[(1, 66455890), (2, 33227945), (5, 13291178), (10, 6645589), (17, 3909170), (34, 1954585), (85, 781834), (170, 390917), (431, 154190), (862, 77095), (907, 73270), (1814, 36635), (2155, 30838), (4310, 15419), (4535, 14654), (7327, 9070)]