181156216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 371148480

約数和(自身を除く): 189992264

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 73, 136, 142, 146, 257, 284, 292, 514, 568, 584, 1028, 1207, 1241, 2056, 2414, 2482, 4369, 4828, 4964, 5183, 8738, 9656, 9928, 10366, 17476, 18247, 18761, 20732, 34952, 36494, 37522, 41464, 72988, 75044, 88111, 145976, 150088, 176222, 310199, 318937, 352444, 620398, 637874, 704888, 1240796, 1275748, 1332031, 2481592, 2551496, 2664062, 5328124, 10656248, 22644527, 45289054, 90578108, 181156216]

約数ペア:

[(1, 181156216), (2, 90578108), (4, 45289054), (8, 22644527), (17, 10656248), (34, 5328124), (68, 2664062), (71, 2551496), (73, 2481592), (136, 1332031), (142, 1275748), (146, 1240796), (257, 704888), (284, 637874), (292, 620398), (514, 352444), (568, 318937), (584, 310199), (1028, 176222), (1207, 150088), (1241, 145976), (2056, 88111), (2414, 75044), (2482, 72988), (4369, 41464), (4828, 37522), (4964, 36494), (5183, 34952), (8738, 20732), (9656, 18761), (9928, 18247), (10366, 17476)]