397421512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{22307}}^1$

素因数の和:22461

約数の個数: 32

約数和(自身を含む): 795057120

約数和(自身を除く): 397635608

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 2227, 4454, 8908, 17816, 22307, 44614, 89228, 178456, 379219, 758438, 1516876, 2922217, 3033752, 5844434, 11688868, 23377736, 49677689, 99355378, 198710756, 397421512]

約数ペア:

[(1, 397421512), (2, 198710756), (4, 99355378), (8, 49677689), (17, 23377736), (34, 11688868), (68, 5844434), (131, 3033752), (136, 2922217), (262, 1516876), (524, 758438), (1048, 379219), (2227, 178456), (4454, 89228), (8908, 44614), (17816, 22307)]