12958465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 17740800

約数和(自身を除く): 4782335

約数列:

[1, 5, 13, 31, 59, 65, 109, 155, 295, 403, 545, 767, 1417, 1829, 2015, 3379, 3835, 6431, 7085, 9145, 16895, 23777, 32155, 43927, 83603, 118885, 199361, 219635, 418015, 996805, 2591693, 12958465]

約数ペア:

[(1, 12958465), (5, 2591693), (13, 996805), (31, 418015), (59, 219635), (65, 199361), (109, 118885), (155, 83603), (295, 43927), (403, 32155), (545, 23777), (767, 16895), (1417, 9145), (1829, 7085), (2015, 6431), (3379, 3835)]