129889904

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{102761}}^1$

素因数の和:102848

約数の個数: 20

約数和(自身を含む): 254849760

約数和(自身を除く): 124959856

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 102761, 205522, 411044, 822088, 1644176, 8118119, 16236238, 32472476, 64944952, 129889904]

約数ペア:

[(1, 129889904), (2, 64944952), (4, 32472476), (8, 16236238), (16, 8118119), (79, 1644176), (158, 822088), (316, 411044), (632, 205522), (1264, 102761)]