28234745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 15431815

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 113, 121, 295, 385, 413, 565, 605, 649, 791, 847, 1243, 2065, 3245, 3955, 4235, 4543, 6215, 6667, 7139, 8701, 13673, 22715, 33335, 35695, 43505, 46669, 49973, 68365, 73337, 95711, 233345, 249865, 366685, 478555, 513359, 806707, 2566795, 4033535, 5646949, 28234745]

約数ペア:

[(1, 28234745), (5, 5646949), (7, 4033535), (11, 2566795), (35, 806707), (55, 513359), (59, 478555), (77, 366685), (113, 249865), (121, 233345), (295, 95711), (385, 73337), (413, 68365), (565, 49973), (605, 46669), (649, 43505), (791, 35695), (847, 33335), (1243, 22715), (2065, 13673), (3245, 8701), (3955, 7139), (4235, 6667), (4543, 6215)]