81225014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1217}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 139962816

約数和(自身を除く): 58737802

約数列:

[1, 2, 13, 17, 26, 34, 151, 221, 302, 442, 1217, 1963, 2434, 2567, 3926, 5134, 15821, 20689, 31642, 33371, 41378, 66742, 183767, 268957, 367534, 537914, 2388971, 3124039, 4777942, 6248078, 40612507, 81225014]

約数ペア:

[(1, 81225014), (2, 40612507), (13, 6248078), (17, 4777942), (26, 3124039), (34, 2388971), (151, 537914), (221, 367534), (302, 268957), (442, 183767), (1217, 66742), (1963, 41378), (2434, 33371), (2567, 31642), (3926, 20689), (5134, 15821)]