690097915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16879}}^1$

素因数の和:16951

約数の個数: 32

約数和(自身を含む): 969857280

約数和(自身を除く): 279759365

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 1105, 2405, 3145, 8177, 16879, 40885, 84395, 219427, 286943, 624523, 1097135, 1434715, 3122615, 3730259, 8118799, 10616891, 18651295, 40593995, 53084455, 138019583, 690097915]

約数ペア:

[(1, 690097915), (5, 138019583), (13, 53084455), (17, 40593995), (37, 18651295), (65, 10616891), (85, 8118799), (185, 3730259), (221, 3122615), (481, 1434715), (629, 1097135), (1105, 624523), (2405, 286943), (3145, 219427), (8177, 84395), (16879, 40885)]