891415856

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1186

約数の個数: 60

約数和(自身を含む): 1836279792

約数和(自身を除く): 944863936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 361, 628, 722, 983, 1256, 1444, 1966, 2512, 2888, 2983, 3932, 5776, 5966, 7864, 11932, 15728, 18677, 23864, 37354, 47728, 56677, 74708, 113354, 149416, 154331, 226708, 298832, 308662, 354863, 453416, 617324, 709726, 906832, 1234648, 1419452, 2469296, 2838904, 2932289, 5677808, 5864578, 11729156, 23458312, 46916624, 55713491, 111426982, 222853964, 445707928, 891415856]

約数ペア:

[(1, 891415856), (2, 445707928), (4, 222853964), (8, 111426982), (16, 55713491), (19, 46916624), (38, 23458312), (76, 11729156), (152, 5864578), (157, 5677808), (304, 2932289), (314, 2838904), (361, 2469296), (628, 1419452), (722, 1234648), (983, 906832), (1256, 709726), (1444, 617324), (1966, 453416), (2512, 354863), (2888, 308662), (2983, 298832), (3932, 226708), (5776, 154331), (5966, 149416), (7864, 113354), (11932, 74708), (15728, 56677), (18677, 47728), (23864, 37354)]