278325424

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{102931}}^1$

素因数の和:102965

約数の個数: 30

約数和(自身を含む): 583933236

約数和(自身を除く): 305607812

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 102931, 205862, 411724, 823448, 1338103, 1646896, 2676206, 5352412, 10704824, 17395339, 21409648, 34790678, 69581356, 139162712, 278325424]

約数ペア:

[(1, 278325424), (2, 139162712), (4, 69581356), (8, 34790678), (13, 21409648), (16, 17395339), (26, 10704824), (52, 5352412), (104, 2676206), (169, 1646896), (208, 1338103), (338, 823448), (676, 411724), (1352, 205862), (2704, 102931)]