208045201

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{743}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 272982528

約数和(自身を除く): 64937327

約数列:

[1, 7, 13, 17, 91, 119, 181, 221, 743, 1267, 1547, 2353, 3077, 5201, 9659, 12631, 16471, 21539, 40001, 67613, 88417, 134483, 164203, 280007, 941381, 1149421, 1748279, 2286211, 12237953, 16003477, 29720743, 208045201]

約数ペア:

[(1, 208045201), (7, 29720743), (13, 16003477), (17, 12237953), (91, 2286211), (119, 1748279), (181, 1149421), (221, 941381), (743, 280007), (1267, 164203), (1547, 134483), (2353, 88417), (3077, 67613), (5201, 40001), (9659, 21539), (12631, 16471)]