28490704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161879}}^1$

素因数の和:161898

約数の個数: 20

約数和(自身を含む): 60219360

約数和(自身を除く): 31728656

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161879, 323758, 647516, 1295032, 1780669, 2590064, 3561338, 7122676, 14245352, 28490704]

約数ペア:

[(1, 28490704), (2, 14245352), (4, 7122676), (8, 3561338), (11, 2590064), (16, 1780669), (22, 1295032), (44, 647516), (88, 323758), (176, 161879)]