1680702911990

素因数分解:

$2^1\times 5^1\times {\mathrm{39443}}^1\times {\mathrm{4261093}}^1$

素因数の和:4300543

約数の個数: 16

約数和(自身を含む): 3025342651248

約数和(自身を除く): 1344639739258

約数列:

[1, 2, 5, 10, 39443, 78886, 197215, 394430, 4261093, 8522186, 21305465, 42610930, 168070291199, 336140582398, 840351455995, 1680702911990]

約数ペア:

[(1, 1680702911990), (2, 840351455995), (5, 336140582398), (10, 168070291199), (39443, 42610930), (78886, 21305465), (197215, 8522186), (394430, 4261093)]