253896305

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 341863200

約数和(自身を除く): 87966895

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 797, 845, 1885, 2197, 3985, 4901, 10361, 10985, 23113, 24505, 51805, 63713, 115565, 134693, 300469, 318565, 673465, 1502345, 1751009, 3906097, 8755045, 19530485, 50779261, 253896305]

約数ペア:

[(1, 253896305), (5, 50779261), (13, 19530485), (29, 8755045), (65, 3906097), (145, 1751009), (169, 1502345), (377, 673465), (797, 318565), (845, 300469), (1885, 134693), (2197, 115565), (3985, 63713), (4901, 51805), (10361, 24505), (10985, 23113)]