67981228

素因数分解:

$2^2\times 7^3\times {\mathrm{49549}}^1$

素因数の和:49574

約数の個数: 24

約数和(自身を含む): 138740000

約数和(自身を除く): 70758772

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 49549, 99098, 198196, 346843, 693686, 1387372, 2427901, 4855802, 9711604, 16995307, 33990614, 67981228]

約数ペア:

[(1, 67981228), (2, 33990614), (4, 16995307), (7, 9711604), (14, 4855802), (28, 2427901), (49, 1387372), (98, 693686), (196, 346843), (343, 198196), (686, 99098), (1372, 49549)]