128872338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{22397}}^1$

素因数の和:22546

約数の個数: 32

約数和(自身を含む): 296728704

約数和(自身を除く): 167856366

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 5754, 22397, 44794, 67191, 134382, 156779, 313558, 470337, 940674, 3068389, 6136778, 9205167, 18410334, 21478723, 42957446, 64436169, 128872338]

約数ペア:

[(1, 128872338), (2, 64436169), (3, 42957446), (6, 21478723), (7, 18410334), (14, 9205167), (21, 6136778), (42, 3068389), (137, 940674), (274, 470337), (411, 313558), (822, 156779), (959, 134382), (1918, 67191), (2877, 44794), (5754, 22397)]