257700671

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 299427840

約数和(自身を除く): 41727169

約数列:

[1, 17, 23, 37, 47, 379, 391, 629, 799, 851, 1081, 1739, 6443, 8717, 14023, 14467, 17813, 18377, 29563, 39997, 148189, 238391, 302821, 322529, 409699, 659081, 679949, 5482993, 6964883, 11204377, 15158863, 257700671]

約数ペア:

[(1, 257700671), (17, 15158863), (23, 11204377), (37, 6964883), (47, 5482993), (379, 679949), (391, 659081), (629, 409699), (799, 322529), (851, 302821), (1081, 238391), (1739, 148189), (6443, 39997), (8717, 29563), (14023, 18377), (14467, 17813)]