681012752

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{44383}}^1$

素因数の和:44535

約数の個数: 40

約数和(自身を含む): 1518998016

約数和(自身を除く): 837985264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1918, 2192, 3836, 7672, 15344, 44383, 88766, 177532, 310681, 355064, 621362, 710128, 1242724, 2485448, 4970896, 6080471, 12160942, 24321884, 42563297, 48643768, 85126594, 97287536, 170253188, 340506376, 681012752]

約数ペア:

[(1, 681012752), (2, 340506376), (4, 170253188), (7, 97287536), (8, 85126594), (14, 48643768), (16, 42563297), (28, 24321884), (56, 12160942), (112, 6080471), (137, 4970896), (274, 2485448), (548, 1242724), (959, 710128), (1096, 621362), (1918, 355064), (2192, 310681), (3836, 177532), (7672, 88766), (15344, 44383)]