1211216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 40

約数和(自身を含む): 2560104

約数和(自身を除く): 1348888

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 73, 122, 136, 146, 244, 272, 292, 488, 584, 976, 1037, 1168, 1241, 2074, 2482, 4148, 4453, 4964, 8296, 8906, 9928, 16592, 17812, 19856, 35624, 71248, 75701, 151402, 302804, 605608, 1211216]

約数ペア:

[(1, 1211216), (2, 605608), (4, 302804), (8, 151402), (16, 75701), (17, 71248), (34, 35624), (61, 19856), (68, 17812), (73, 16592), (122, 9928), (136, 8906), (146, 8296), (244, 4964), (272, 4453), (292, 4148), (488, 2482), (584, 2074), (976, 1241), (1037, 1168)]