72898975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3989}}^1$

素因数の和:4059

約数の個数: 24

約数和(自身を含む): 97962480

約数和(自身を除く): 25063505

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 3989, 18275, 19945, 67813, 99725, 171527, 339065, 857635, 1695325, 2915959, 4288175, 14579795, 72898975]

約数ペア:

[(1, 72898975), (5, 14579795), (17, 4288175), (25, 2915959), (43, 1695325), (85, 857635), (215, 339065), (425, 171527), (731, 99725), (1075, 67813), (3655, 19945), (3989, 18275)]