129123428

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{22717}}^1$

素因数の和:22764

約数の個数: 36

約数和(自身を含む): 271934460

約数和(自身を除く): 142811032

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 22717, 45434, 90868, 159019, 318038, 636076, 658793, 1113133, 1317586, 2226266, 2635172, 4452532, 4611551, 9223102, 18446204, 32280857, 64561714, 129123428]

約数ペア:

[(1, 129123428), (2, 64561714), (4, 32280857), (7, 18446204), (14, 9223102), (28, 4611551), (29, 4452532), (49, 2635172), (58, 2226266), (98, 1317586), (116, 1113133), (196, 658793), (203, 636076), (406, 318038), (812, 159019), (1421, 90868), (2842, 45434), (5684, 22717)]