138985736

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{643}}^1\times {\mathrm{659}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 267775200

約数和(自身を除く): 128789464

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 643, 659, 1286, 1318, 2572, 2636, 5144, 5272, 26363, 27019, 52726, 54038, 105452, 108076, 210904, 216152, 423737, 847474, 1694948, 3389896, 17373217, 34746434, 69492868, 138985736]

約数ペア:

[(1, 138985736), (2, 69492868), (4, 34746434), (8, 17373217), (41, 3389896), (82, 1694948), (164, 847474), (328, 423737), (643, 216152), (659, 210904), (1286, 108076), (1318, 105452), (2572, 54038), (2636, 52726), (5144, 27019), (5272, 26363)]