513344

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:642

約数の個数: 28

約数和(自身を含む): 1098804

約数和(自身を除く): 585460

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 617, 832, 1234, 2468, 4936, 8021, 9872, 16042, 19744, 32084, 39488, 64168, 128336, 256672, 513344]

約数ペア:

[(1, 513344), (2, 256672), (4, 128336), (8, 64168), (13, 39488), (16, 32084), (26, 19744), (32, 16042), (52, 9872), (64, 8021), (104, 4936), (208, 2468), (416, 1234), (617, 832)]