51456678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1389

約数の個数: 64

約数和(自身を含む): 128497152

約数和(自身を除く): 77040474

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 438, 511, 546, 949, 1022, 1291, 1533, 1898, 2582, 2847, 3066, 3873, 5694, 6643, 7746, 9037, 13286, 16783, 18074, 19929, 27111, 33566, 39858, 50349, 54222, 94243, 100698, 117481, 188486, 234962, 282729, 352443, 565458, 659701, 704886, 1225159, 1319402, 1979103, 2450318, 3675477, 3958206, 7350954, 8576113, 17152226, 25728339, 51456678]

約数ペア:

[(1, 51456678), (2, 25728339), (3, 17152226), (6, 8576113), (7, 7350954), (13, 3958206), (14, 3675477), (21, 2450318), (26, 1979103), (39, 1319402), (42, 1225159), (73, 704886), (78, 659701), (91, 565458), (146, 352443), (182, 282729), (219, 234962), (273, 188486), (438, 117481), (511, 100698), (546, 94243), (949, 54222), (1022, 50349), (1291, 39858), (1533, 33566), (1898, 27111), (2582, 19929), (2847, 18074), (3066, 16783), (3873, 13286), (5694, 9037), (6643, 7746)]