81341078

素因数分解:

$2^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{1303}}^1$

素因数の和:1346

約数の個数: 40

約数和(自身を含む): 153405168

約数和(自身を除く): 72064090

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 1303, 2401, 2606, 4459, 4802, 8918, 9121, 16939, 18242, 31213, 33878, 62426, 63847, 118573, 127694, 237146, 446929, 830011, 893858, 1660022, 3128503, 5810077, 6257006, 11620154, 40670539, 81341078]

約数ペア:

[(1, 81341078), (2, 40670539), (7, 11620154), (13, 6257006), (14, 5810077), (26, 3128503), (49, 1660022), (91, 893858), (98, 830011), (182, 446929), (343, 237146), (637, 127694), (686, 118573), (1274, 63847), (1303, 62426), (2401, 33878), (2606, 31213), (4459, 18242), (4802, 16939), (8918, 9121)]