258312505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6029}}^1$

素因数の和:6105

約数の個数: 32

約数和(自身を含む): 364694400

約数和(自身を除く): 106381895

約数列:

[1, 5, 11, 19, 41, 55, 95, 205, 209, 451, 779, 1045, 2255, 3895, 6029, 8569, 30145, 42845, 66319, 114551, 247189, 331595, 572755, 1235945, 1260061, 2719079, 4696591, 6300305, 13595395, 23482955, 51662501, 258312505]

約数ペア:

[(1, 258312505), (5, 51662501), (11, 23482955), (19, 13595395), (41, 6300305), (55, 4696591), (95, 2719079), (205, 1260061), (209, 1235945), (451, 572755), (779, 331595), (1045, 247189), (2255, 114551), (3895, 66319), (6029, 42845), (8569, 30145)]