85405558

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 151861248

約数和(自身を除く): 66455690

約数列:

[1, 2, 7, 14, 31, 62, 217, 307, 434, 614, 641, 1282, 2149, 4298, 4487, 8974, 9517, 19034, 19871, 39742, 66619, 133238, 139097, 196787, 278194, 393574, 1377509, 2755018, 6100397, 12200794, 42702779, 85405558]

約数ペア:

[(1, 85405558), (2, 42702779), (7, 12200794), (14, 6100397), (31, 2755018), (62, 1377509), (217, 393574), (307, 278194), (434, 196787), (614, 139097), (641, 133238), (1282, 66619), (2149, 39742), (4298, 19871), (4487, 19034), (8974, 9517)]