11958128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 29331456

約数和(自身を除く): 17373328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 191, 208, 301, 344, 364, 382, 559, 602, 688, 728, 764, 1118, 1204, 1337, 1456, 1528, 2236, 2408, 2483, 2674, 3056, 3913, 4472, 4816, 4966, 5348, 7826, 8213, 8944, 9932, 10696, 15652, 16426, 17381, 19864, 21392, 31304, 32852, 34762, 39728, 57491, 62608, 65704, 69524, 106769, 114982, 131408, 139048, 213538, 229964, 278096, 427076, 459928, 747383, 854152, 919856, 1494766, 1708304, 2989532, 5979064, 11958128]

約数ペア:

[(1, 11958128), (2, 5979064), (4, 2989532), (7, 1708304), (8, 1494766), (13, 919856), (14, 854152), (16, 747383), (26, 459928), (28, 427076), (43, 278096), (52, 229964), (56, 213538), (86, 139048), (91, 131408), (104, 114982), (112, 106769), (172, 69524), (182, 65704), (191, 62608), (208, 57491), (301, 39728), (344, 34762), (364, 32852), (382, 31304), (559, 21392), (602, 19864), (688, 17381), (728, 16426), (764, 15652), (1118, 10696), (1204, 9932), (1337, 8944), (1456, 8213), (1528, 7826), (2236, 5348), (2408, 4966), (2483, 4816), (2674, 4472), (3056, 3913)]