1520222011

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 1971889920

約数和(自身を除く): 451667909

約数列:

[1, 7, 11, 49, 77, 103, 139, 197, 539, 721, 973, 1133, 1379, 1529, 2167, 5047, 6811, 7931, 9653, 10703, 14317, 15169, 20291, 27383, 55517, 74921, 100219, 106183, 142037, 157487, 191681, 223201, 301213, 701533, 994259, 1102409, 1341767, 1562407, 2108491, 2820449, 7716863, 10936849, 14759437, 19743143, 31024939, 138202001, 217174573, 1520222011]

約数ペア:

[(1, 1520222011), (7, 217174573), (11, 138202001), (49, 31024939), (77, 19743143), (103, 14759437), (139, 10936849), (197, 7716863), (539, 2820449), (721, 2108491), (973, 1562407), (1133, 1341767), (1379, 1102409), (1529, 994259), (2167, 701533), (5047, 301213), (6811, 223201), (7931, 191681), (9653, 157487), (10703, 142037), (14317, 106183), (15169, 100219), (20291, 74921), (27383, 55517)]