215977866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 489646080

約数和(自身を除く): 273668214

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 131, 138, 262, 299, 393, 598, 786, 897, 919, 1703, 1794, 1838, 2757, 3013, 3406, 5109, 5514, 6026, 9039, 10218, 11947, 18078, 21137, 23894, 35841, 39169, 42274, 63411, 71682, 78338, 117507, 120389, 126822, 235014, 240778, 274781, 361167, 549562, 722334, 824343, 1565057, 1648686, 2768947, 3130114, 4695171, 5537894, 8306841, 9390342, 16613682, 35996311, 71992622, 107988933, 215977866]

約数ペア:

[(1, 215977866), (2, 107988933), (3, 71992622), (6, 35996311), (13, 16613682), (23, 9390342), (26, 8306841), (39, 5537894), (46, 4695171), (69, 3130114), (78, 2768947), (131, 1648686), (138, 1565057), (262, 824343), (299, 722334), (393, 549562), (598, 361167), (786, 274781), (897, 240778), (919, 235014), (1703, 126822), (1794, 120389), (1838, 117507), (2757, 78338), (3013, 71682), (3406, 63411), (5109, 42274), (5514, 39169), (6026, 35841), (9039, 23894), (10218, 21137), (11947, 18078)]