91721890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19069}}^1$

素因数の和:19126

約数の個数: 32

約数和(自身を含む): 182614320

約数和(自身を除く): 90892430

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 19069, 38138, 95345, 190690, 247897, 495794, 705553, 1239485, 1411106, 2478970, 3527765, 7055530, 9172189, 18344378, 45860945, 91721890]

約数ペア:

[(1, 91721890), (2, 45860945), (5, 18344378), (10, 9172189), (13, 7055530), (26, 3527765), (37, 2478970), (65, 1411106), (74, 1239485), (130, 705553), (185, 495794), (370, 247897), (481, 190690), (962, 95345), (2405, 38138), (4810, 19069)]