72780638

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{977}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 132663744

約数和(自身を除く): 59883106

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 313, 626, 977, 1954, 2191, 4382, 5321, 6839, 10642, 13678, 16609, 33218, 37247, 74494, 116263, 232526, 305801, 611602, 2140607, 4281214, 5198617, 10397234, 36390319, 72780638]

約数ペア:

[(1, 72780638), (2, 36390319), (7, 10397234), (14, 5198617), (17, 4281214), (34, 2140607), (119, 611602), (238, 305801), (313, 232526), (626, 116263), (977, 74494), (1954, 37247), (2191, 33218), (4382, 16609), (5321, 13678), (6839, 10642)]