13278067901

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{68521}}^1$

素因数の和:68625

約数の個数: 32

約数和(自身を含む): 16839966720

約数和(自身を除く): 3561898819

約数列:

[1, 7, 19, 31, 47, 133, 217, 329, 589, 893, 1457, 4123, 6251, 10199, 27683, 68521, 193781, 479647, 1301899, 2124151, 3220487, 9113293, 14869057, 22543409, 40358869, 61189253, 99835097, 282512083, 428324771, 698845679, 1896866843, 13278067901]

約数ペア:

[(1, 13278067901), (7, 1896866843), (19, 698845679), (31, 428324771), (47, 282512083), (133, 99835097), (217, 61189253), (329, 40358869), (589, 22543409), (893, 14869057), (1457, 9113293), (4123, 3220487), (6251, 2124151), (10199, 1301899), (27683, 479647), (68521, 193781)]