66788995

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 99227520

約数和(自身を除く): 32438525

約数列:

[1, 5, 7, 13, 35, 65, 91, 229, 455, 641, 1145, 1603, 2977, 3205, 4487, 8015, 8333, 14885, 20839, 22435, 41665, 58331, 104195, 146789, 291655, 733945, 1027523, 1908257, 5137615, 9541285, 13357799, 66788995]

約数ペア:

[(1, 66788995), (5, 13357799), (7, 9541285), (13, 5137615), (35, 1908257), (65, 1027523), (91, 733945), (229, 291655), (455, 146789), (641, 104195), (1145, 58331), (1603, 41665), (2977, 22435), (3205, 20839), (4487, 14885), (8015, 8333)]