420120376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{11987}}^1$

素因数の和:12343

約数の個数: 32

約数和(自身を含む): 850908240

約数和(自身を除く): 430787864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 337, 674, 1348, 2696, 4381, 8762, 11987, 17524, 23974, 35048, 47948, 95896, 155831, 311662, 623324, 1246648, 4039619, 8079238, 16158476, 32316952, 52515047, 105030094, 210060188, 420120376]

約数ペア:

[(1, 420120376), (2, 210060188), (4, 105030094), (8, 52515047), (13, 32316952), (26, 16158476), (52, 8079238), (104, 4039619), (337, 1246648), (674, 623324), (1348, 311662), (2696, 155831), (4381, 95896), (8762, 47948), (11987, 35048), (17524, 23974)]