197999711

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{12577}}^1$

素因数の和:12770

約数の個数: 16

約数和(自身を含む): 245120064

約数和(自身を除く): 47120353

約数列:

[1, 7, 13, 91, 173, 1211, 2249, 12577, 15743, 88039, 163501, 1144507, 2175821, 15230747, 28285673, 197999711]

約数ペア:

[(1, 197999711), (7, 28285673), (13, 15230747), (91, 2175821), (173, 1144507), (1211, 163501), (2249, 88039), (12577, 15743)]