210521728

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 430848000

約数和(自身を除く): 220326272

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 109, 128, 158, 191, 218, 316, 382, 436, 632, 764, 872, 1264, 1528, 1744, 2528, 3056, 3488, 5056, 6112, 6976, 8611, 10112, 12224, 13952, 15089, 17222, 20819, 24448, 30178, 34444, 41638, 60356, 68888, 83276, 120712, 137776, 166552, 241424, 275552, 333104, 482848, 551104, 666208, 965696, 1102208, 1332416, 1644701, 1931392, 2664832, 3289402, 6578804, 13157608, 26315216, 52630432, 105260864, 210521728]

約数ペア:

[(1, 210521728), (2, 105260864), (4, 52630432), (8, 26315216), (16, 13157608), (32, 6578804), (64, 3289402), (79, 2664832), (109, 1931392), (128, 1644701), (158, 1332416), (191, 1102208), (218, 965696), (316, 666208), (382, 551104), (436, 482848), (632, 333104), (764, 275552), (872, 241424), (1264, 166552), (1528, 137776), (1744, 120712), (2528, 83276), (3056, 68888), (3488, 60356), (5056, 41638), (6112, 34444), (6976, 30178), (8611, 24448), (10112, 20819), (12224, 17222), (13952, 15089)]