8141375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 11501568

約数和(自身を除く): 3360193

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 191, 275, 341, 775, 955, 1375, 1705, 2101, 3875, 4775, 5921, 8525, 10505, 23875, 29605, 42625, 52525, 65131, 148025, 262625, 325655, 740125, 1628275, 8141375]

約数ペア:

[(1, 8141375), (5, 1628275), (11, 740125), (25, 325655), (31, 262625), (55, 148025), (125, 65131), (155, 52525), (191, 42625), (275, 29605), (341, 23875), (775, 10505), (955, 8525), (1375, 5921), (1705, 4775), (2101, 3875)]