781551248

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{729059}}^1$

素因数の和:729134

約数の個数: 20

約数和(自身を含む): 1536858480

約数和(自身を除く): 755307232

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 729059, 1458118, 2916236, 5832472, 11664944, 48846953, 97693906, 195387812, 390775624, 781551248]

約数ペア:

[(1, 781551248), (2, 390775624), (4, 195387812), (8, 97693906), (16, 48846953), (67, 11664944), (134, 5832472), (268, 2916236), (536, 1458118), (1072, 729059)]