1628275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 2285568

約数和(自身を除く): 657293

約数列:

[1, 5, 11, 25, 31, 55, 155, 191, 275, 341, 775, 955, 1705, 2101, 4775, 5921, 8525, 10505, 29605, 52525, 65131, 148025, 325655, 1628275]

約数ペア:

[(1, 1628275), (5, 325655), (11, 148025), (25, 65131), (31, 52525), (55, 29605), (155, 10505), (191, 8525), (275, 5921), (341, 4775), (775, 2101), (955, 1705)]