678463775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1601}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 972580608

約数和(自身を除く): 294116833

約数列:

[1, 5, 11, 23, 25, 55, 67, 115, 253, 275, 335, 575, 737, 1265, 1541, 1601, 1675, 3685, 6325, 7705, 8005, 16951, 17611, 18425, 36823, 38525, 40025, 84755, 88055, 107267, 184115, 405053, 423775, 440275, 536335, 920575, 1179937, 2025265, 2467141, 2681675, 5899685, 10126325, 12335705, 27138551, 29498425, 61678525, 135692755, 678463775]

約数ペア:

[(1, 678463775), (5, 135692755), (11, 61678525), (23, 29498425), (25, 27138551), (55, 12335705), (67, 10126325), (115, 5899685), (253, 2681675), (275, 2467141), (335, 2025265), (575, 1179937), (737, 920575), (1265, 536335), (1541, 440275), (1601, 423775), (1675, 405053), (3685, 184115), (6325, 107267), (7705, 88055), (8005, 84755), (16951, 40025), (17611, 38525), (18425, 36823)]