81817346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22639}}^1$

素因数の和:22793

約数の個数: 16

約数和(自身を含む): 133123200

約数和(自身を除く): 51305854

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 22639, 45278, 294307, 588614, 3146821, 6293642, 40908673, 81817346]

約数ペア:

[(1, 81817346), (2, 40908673), (13, 6293642), (26, 3146821), (139, 588614), (278, 294307), (1807, 45278), (3614, 22639)]