28124590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3229}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 55349280

約数和(自身を除く): 27224690

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 3229, 4355, 6458, 8710, 16145, 32290, 41977, 83954, 209885, 216343, 419770, 432686, 1081715, 2163430, 2812459, 5624918, 14062295, 28124590]

約数ペア:

[(1, 28124590), (2, 14062295), (5, 5624918), (10, 2812459), (13, 2163430), (26, 1081715), (65, 432686), (67, 419770), (130, 216343), (134, 209885), (335, 83954), (670, 41977), (871, 32290), (1742, 16145), (3229, 8710), (4355, 6458)]