201227978

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{388471}}^1$

素因数の和:388517

約数の個数: 16

約数和(自身を含む): 354286464

約数和(自身を除く): 153058486

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 388471, 776942, 2719297, 5438594, 14373427, 28746854, 100613989, 201227978]

約数ペア:

[(1, 201227978), (2, 100613989), (7, 28746854), (14, 14373427), (37, 5438594), (74, 2719297), (259, 776942), (518, 388471)]