665263752

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{390413}}^1$

素因数の和:390493

約数の個数: 32

約数和(自身を含む): 1686588480

約数和(自身を除く): 1021324728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 390413, 780826, 1171239, 1561652, 2342478, 3123304, 4684956, 9369912, 27719323, 55438646, 83157969, 110877292, 166315938, 221754584, 332631876, 665263752]

約数ペア:

[(1, 665263752), (2, 332631876), (3, 221754584), (4, 166315938), (6, 110877292), (8, 83157969), (12, 55438646), (24, 27719323), (71, 9369912), (142, 4684956), (213, 3123304), (284, 2342478), (426, 1561652), (568, 1171239), (852, 780826), (1704, 390413)]