128801816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{112589}}^1$

素因数の和:112619

約数の個数: 32

約数和(自身を含む): 283726800

約数和(自身を除く): 154924984

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 112589, 225178, 450356, 900712, 1238479, 1463657, 2476958, 2927314, 4953916, 5854628, 9907832, 11709256, 16100227, 32200454, 64400908, 128801816]

約数ペア:

[(1, 128801816), (2, 64400908), (4, 32200454), (8, 16100227), (11, 11709256), (13, 9907832), (22, 5854628), (26, 4953916), (44, 2927314), (52, 2476958), (88, 1463657), (104, 1238479), (143, 900712), (286, 450356), (572, 225178), (1144, 112589)]