217876854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{20389}}^1$

素因数の和:20544

約数の個数: 32

約数和(自身を含む): 472721760

約数和(自身を除く): 254844906

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 3562, 5343, 10686, 20389, 40778, 61167, 122334, 265057, 530114, 795171, 1590342, 2793293, 5586586, 8379879, 16759758, 36312809, 72625618, 108938427, 217876854]

約数ペア:

[(1, 217876854), (2, 108938427), (3, 72625618), (6, 36312809), (13, 16759758), (26, 8379879), (39, 5586586), (78, 2793293), (137, 1590342), (274, 795171), (411, 530114), (822, 265057), (1781, 122334), (3562, 61167), (5343, 40778), (10686, 20389)]