89901916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{7823}}^1$

素因数の和:7870

約数の個数: 36

約数和(自身を含む): 180405792

約数和(自身を除く): 90503876

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 2873, 5746, 7823, 11492, 15646, 31292, 101699, 132991, 203398, 265982, 406796, 531964, 1322087, 1728883, 2644174, 3457766, 5288348, 6915532, 22475479, 44950958, 89901916]

約数ペア:

[(1, 89901916), (2, 44950958), (4, 22475479), (13, 6915532), (17, 5288348), (26, 3457766), (34, 2644174), (52, 1728883), (68, 1322087), (169, 531964), (221, 406796), (338, 265982), (442, 203398), (676, 132991), (884, 101699), (2873, 31292), (5746, 15646), (7823, 11492)]