71217575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1856

約数の個数: 36

約数和(自身を含む): 104592264

約数和(自身を除く): 33374689

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 325, 605, 715, 1573, 1811, 3025, 3575, 7865, 9055, 19921, 23543, 39325, 45275, 99605, 117715, 219131, 258973, 498025, 588575, 1095655, 1294865, 2848703, 5478275, 6474325, 14243515, 71217575]

約数ペア:

[(1, 71217575), (5, 14243515), (11, 6474325), (13, 5478275), (25, 2848703), (55, 1294865), (65, 1095655), (121, 588575), (143, 498025), (275, 258973), (325, 219131), (605, 117715), (715, 99605), (1573, 45275), (1811, 39325), (3025, 23543), (3575, 19921), (7865, 9055)]