90221768

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{123931}}^1$

素因数の和:123957

約数の個数: 32

約数和(自身を含む): 208205760

約数和(自身を除く): 117983992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 123931, 247862, 495724, 867517, 991448, 1611103, 1735034, 3222206, 3470068, 6444412, 6940136, 11277721, 12888824, 22555442, 45110884, 90221768]

約数ペア:

[(1, 90221768), (2, 45110884), (4, 22555442), (7, 12888824), (8, 11277721), (13, 6940136), (14, 6444412), (26, 3470068), (28, 3222206), (52, 1735034), (56, 1611103), (91, 991448), (104, 867517), (182, 495724), (364, 247862), (728, 123931)]