177396989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2557}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 238692096

約数和(自身を除く): 61295107

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 371, 583, 901, 1309, 2557, 4081, 6307, 9911, 17899, 28127, 43469, 69377, 135521, 196889, 304283, 478159, 948647, 1490731, 2303857, 3347113, 10435117, 16126999, 25342427, 177396989]

約数ペア:

[(1, 177396989), (7, 25342427), (11, 16126999), (17, 10435117), (53, 3347113), (77, 2303857), (119, 1490731), (187, 948647), (371, 478159), (583, 304283), (901, 196889), (1309, 135521), (2557, 69377), (4081, 43469), (6307, 28127), (9911, 17899)]