1255345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 1935360

約数和(自身を除く): 680015

約数列:

[1, 5, 7, 13, 31, 35, 65, 89, 91, 155, 217, 403, 445, 455, 623, 1085, 1157, 2015, 2759, 2821, 3115, 5785, 8099, 13795, 14105, 19313, 35867, 40495, 96565, 179335, 251069, 1255345]

約数ペア:

[(1, 1255345), (5, 251069), (7, 179335), (13, 96565), (31, 40495), (35, 35867), (65, 19313), (89, 14105), (91, 13795), (155, 8099), (217, 5785), (403, 3115), (445, 2821), (455, 2759), (623, 2015), (1085, 1157)]