72720752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18401}}^1$

素因数の和:18441

約数の個数: 40

約数和(自身を含む): 159729360

約数和(自身を除く): 87008608

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 18401, 36802, 73604, 147208, 239213, 294416, 349619, 478426, 699238, 956852, 1398476, 1913704, 2796952, 3827408, 4545047, 5593904, 9090094, 18180188, 36360376, 72720752]

約数ペア:

[(1, 72720752), (2, 36360376), (4, 18180188), (8, 9090094), (13, 5593904), (16, 4545047), (19, 3827408), (26, 2796952), (38, 1913704), (52, 1398476), (76, 956852), (104, 699238), (152, 478426), (208, 349619), (247, 294416), (304, 239213), (494, 147208), (988, 73604), (1976, 36802), (3952, 18401)]