64958309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 77728896

約数和(自身を除く): 12770587

約数列:

[1, 13, 17, 41, 67, 107, 221, 533, 697, 871, 1139, 1391, 1819, 2747, 4387, 7169, 9061, 14807, 23647, 35711, 46699, 57031, 74579, 93197, 121873, 293929, 607087, 969527, 1584349, 3821077, 4996793, 64958309]

約数ペア:

[(1, 64958309), (13, 4996793), (17, 3821077), (41, 1584349), (67, 969527), (107, 607087), (221, 293929), (533, 121873), (697, 93197), (871, 74579), (1139, 57031), (1391, 46699), (1819, 35711), (2747, 23647), (4387, 14807), (7169, 9061)]