28005355

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 39682944

約数和(自身を除く): 11677589

約数列:

[1, 5, 7, 35, 73, 97, 113, 365, 485, 511, 565, 679, 791, 2555, 3395, 3955, 7081, 8249, 10961, 35405, 41245, 49567, 54805, 57743, 76727, 247835, 288715, 383635, 800153, 4000765, 5601071, 28005355]

約数ペア:

[(1, 28005355), (5, 5601071), (7, 4000765), (35, 800153), (73, 383635), (97, 288715), (113, 247835), (365, 76727), (485, 57743), (511, 54805), (565, 49567), (679, 41245), (791, 35405), (2555, 10961), (3395, 8249), (3955, 7081)]