85420504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 183456000

約数和(自身を除く): 98035496

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 139, 152, 247, 278, 311, 494, 556, 622, 988, 1112, 1244, 1807, 1976, 2488, 2641, 3614, 4043, 5282, 5909, 7228, 8086, 10564, 11818, 14456, 16172, 21128, 23636, 32344, 34333, 43229, 47272, 68666, 76817, 86458, 137332, 153634, 172916, 274664, 307268, 345832, 561977, 614536, 821351, 1123954, 1642702, 2247908, 3285404, 4495816, 6570808, 10677563, 21355126, 42710252, 85420504]

約数ペア:

[(1, 85420504), (2, 42710252), (4, 21355126), (8, 10677563), (13, 6570808), (19, 4495816), (26, 3285404), (38, 2247908), (52, 1642702), (76, 1123954), (104, 821351), (139, 614536), (152, 561977), (247, 345832), (278, 307268), (311, 274664), (494, 172916), (556, 153634), (622, 137332), (988, 86458), (1112, 76817), (1244, 68666), (1807, 47272), (1976, 43229), (2488, 34333), (2641, 32344), (3614, 23636), (4043, 21128), (5282, 16172), (5909, 14456), (7228, 11818), (8086, 10564)]