72128207

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 78008832

約数和(自身を除く): 5880625

約数列:

[1, 23, 37, 131, 647, 851, 3013, 4847, 14881, 23939, 84757, 111481, 550597, 1949411, 3136009, 72128207]

約数ペア:

[(1, 72128207), (23, 3136009), (37, 1949411), (131, 550597), (647, 111481), (851, 84757), (3013, 23939), (4847, 14881)]