68739112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 149688000

約数和(自身を除く): 80948888

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 43, 52, 76, 86, 104, 152, 172, 247, 344, 494, 559, 809, 817, 988, 1118, 1618, 1634, 1976, 2236, 3236, 3268, 4472, 6472, 6536, 10517, 10621, 15371, 21034, 21242, 30742, 34787, 42068, 42484, 61484, 69574, 84136, 84968, 122968, 139148, 199823, 278296, 399646, 452231, 660953, 799292, 904462, 1321906, 1598584, 1808924, 2643812, 3617848, 5287624, 8592389, 17184778, 34369556, 68739112]

約数ペア:

[(1, 68739112), (2, 34369556), (4, 17184778), (8, 8592389), (13, 5287624), (19, 3617848), (26, 2643812), (38, 1808924), (43, 1598584), (52, 1321906), (76, 904462), (86, 799292), (104, 660953), (152, 452231), (172, 399646), (247, 278296), (344, 199823), (494, 139148), (559, 122968), (809, 84968), (817, 84136), (988, 69574), (1118, 61484), (1618, 42484), (1634, 42068), (1976, 34787), (2236, 30742), (3236, 21242), (3268, 21034), (4472, 15371), (6472, 10621), (6536, 10517)]