220378496

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{132439}}^1$

素因数の和:132466

約数の個数: 32

約数和(自身を含む): 472810800

約数和(自身を除く): 252432304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 132439, 264878, 529756, 1059512, 1721707, 2119024, 3443414, 4238048, 6886828, 8476096, 13773656, 16952192, 27547312, 55094624, 110189248, 220378496]

約数ペア:

[(1, 220378496), (2, 110189248), (4, 55094624), (8, 27547312), (13, 16952192), (16, 13773656), (26, 8476096), (32, 6886828), (52, 4238048), (64, 3443414), (104, 2119024), (128, 1721707), (208, 1059512), (416, 529756), (832, 264878), (1664, 132439)]