201991009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{3547}}^1$

素因数の和:3756

約数の個数: 16

約数和(自身を含む): 228888576

約数和(自身を除く): 26897567

約数列:

[1, 11, 31, 167, 341, 1837, 3547, 5177, 39017, 56947, 109957, 592349, 1209527, 6515839, 18362819, 201991009]

約数ペア:

[(1, 201991009), (11, 18362819), (31, 6515839), (167, 1209527), (341, 592349), (1837, 109957), (3547, 56947), (5177, 39017)]