1381749872336

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{318669251}}^1$

素因数の和:318669530

約数の個数: 20

約数和(自身を含む): 2687019132864

約数和(自身を除く): 1305269260528

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 318669251, 637338502, 1274677004, 2549354008, 5098708016, 86359367021, 172718734042, 345437468084, 690874936168, 1381749872336]

約数ペア:

[(1, 1381749872336), (2, 690874936168), (4, 345437468084), (8, 172718734042), (16, 86359367021), (271, 5098708016), (542, 2549354008), (1084, 1274677004), (2168, 637338502), (4336, 318669251)]