81273374

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1237}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 158483808

約数和(自身を除く): 77210434

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 361, 494, 722, 1237, 1729, 2474, 2527, 3458, 4693, 5054, 8659, 9386, 16081, 17318, 23503, 32162, 32851, 47006, 65702, 112567, 164521, 225134, 305539, 329042, 446557, 611078, 893114, 2138773, 3125899, 4277546, 5805241, 6251798, 11610482, 40636687, 81273374]

約数ペア:

[(1, 81273374), (2, 40636687), (7, 11610482), (13, 6251798), (14, 5805241), (19, 4277546), (26, 3125899), (38, 2138773), (91, 893114), (133, 611078), (182, 446557), (247, 329042), (266, 305539), (361, 225134), (494, 164521), (722, 112567), (1237, 65702), (1729, 47006), (2474, 32851), (2527, 32162), (3458, 23503), (4693, 17318), (5054, 16081), (8659, 9386)]