23978836

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 52859520

約数和(自身を除く): 28880684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 133, 137, 188, 196, 266, 274, 329, 532, 548, 658, 893, 931, 959, 1316, 1786, 1862, 1918, 2303, 2603, 3572, 3724, 3836, 4606, 5206, 6251, 6439, 6713, 9212, 10412, 12502, 12878, 13426, 18221, 25004, 25756, 26852, 36442, 43757, 45073, 72884, 87514, 90146, 122341, 127547, 175028, 180292, 244682, 255094, 315511, 489364, 510188, 631022, 856387, 1262044, 1712774, 3425548, 5994709, 11989418, 23978836]

約数ペア:

[(1, 23978836), (2, 11989418), (4, 5994709), (7, 3425548), (14, 1712774), (19, 1262044), (28, 856387), (38, 631022), (47, 510188), (49, 489364), (76, 315511), (94, 255094), (98, 244682), (133, 180292), (137, 175028), (188, 127547), (196, 122341), (266, 90146), (274, 87514), (329, 72884), (532, 45073), (548, 43757), (658, 36442), (893, 26852), (931, 25756), (959, 25004), (1316, 18221), (1786, 13426), (1862, 12878), (1918, 12502), (2303, 10412), (2603, 9212), (3572, 6713), (3724, 6439), (3836, 6251), (4606, 5206)]