818608644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{7537}}^1$

素因数の和:7985

約数の個数: 72

約数和(自身を含む): 2370670848

約数和(自身を除く): 1552062204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 431, 862, 1293, 1724, 2586, 3017, 3879, 5172, 6034, 7537, 7758, 9051, 12068, 15074, 15516, 18102, 22611, 27153, 30148, 36204, 45222, 52759, 54306, 67833, 90444, 105518, 108612, 135666, 158277, 211036, 271332, 316554, 474831, 633108, 949662, 1899324, 3248447, 6496894, 9745341, 12993788, 19490682, 22739129, 29236023, 38981364, 45478258, 58472046, 68217387, 90956516, 116944092, 136434774, 204652161, 272869548, 409304322, 818608644]

約数ペア:

[(1, 818608644), (2, 409304322), (3, 272869548), (4, 204652161), (6, 136434774), (7, 116944092), (9, 90956516), (12, 68217387), (14, 58472046), (18, 45478258), (21, 38981364), (28, 29236023), (36, 22739129), (42, 19490682), (63, 12993788), (84, 9745341), (126, 6496894), (252, 3248447), (431, 1899324), (862, 949662), (1293, 633108), (1724, 474831), (2586, 316554), (3017, 271332), (3879, 211036), (5172, 158277), (6034, 135666), (7537, 108612), (7758, 105518), (9051, 90444), (12068, 67833), (15074, 54306), (15516, 52759), (18102, 45222), (22611, 36204), (27153, 30148)]