28146295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 8754569

約数列:

[1, 5, 31, 41, 43, 103, 155, 205, 215, 515, 1271, 1333, 1763, 3193, 4223, 4429, 6355, 6665, 8815, 15965, 21115, 22145, 54653, 130913, 137299, 181589, 273265, 654565, 686495, 907945, 5629259, 28146295]

約数ペア:

[(1, 28146295), (5, 5629259), (31, 907945), (41, 686495), (43, 654565), (103, 273265), (155, 181589), (205, 137299), (215, 130913), (515, 54653), (1271, 22145), (1333, 21115), (1763, 15965), (3193, 8815), (4223, 6665), (4429, 6355)]