1211728

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 2777600

約数和(自身を除く): 1565872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 349, 434, 496, 698, 868, 1396, 1736, 2443, 2792, 3472, 4886, 5584, 9772, 10819, 19544, 21638, 39088, 43276, 75733, 86552, 151466, 173104, 302932, 605864, 1211728]

約数ペア:

[(1, 1211728), (2, 605864), (4, 302932), (7, 173104), (8, 151466), (14, 86552), (16, 75733), (28, 43276), (31, 39088), (56, 21638), (62, 19544), (112, 10819), (124, 9772), (217, 5584), (248, 4886), (349, 3472), (434, 2792), (496, 2443), (698, 1736), (868, 1396)]