645314982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1709}}^1$

素因数の和:1877

約数の個数: 64

約数和(自身を含む): 1434101760

約数和(自身を除く): 788786778

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 103, 141, 206, 282, 309, 611, 618, 1222, 1339, 1709, 1833, 2678, 3418, 3666, 4017, 4841, 5127, 8034, 9682, 10254, 14523, 22217, 29046, 44434, 62933, 66651, 80323, 125866, 133302, 160646, 176027, 188799, 240969, 352054, 377598, 481938, 528081, 1044199, 1056162, 2088398, 2288351, 3132597, 4576702, 6265194, 6865053, 8273269, 13730106, 16546538, 24819807, 49639614, 107552497, 215104994, 322657491, 645314982]

約数ペア:

[(1, 645314982), (2, 322657491), (3, 215104994), (6, 107552497), (13, 49639614), (26, 24819807), (39, 16546538), (47, 13730106), (78, 8273269), (94, 6865053), (103, 6265194), (141, 4576702), (206, 3132597), (282, 2288351), (309, 2088398), (611, 1056162), (618, 1044199), (1222, 528081), (1339, 481938), (1709, 377598), (1833, 352054), (2678, 240969), (3418, 188799), (3666, 176027), (4017, 160646), (4841, 133302), (5127, 125866), (8034, 80323), (9682, 66651), (10254, 62933), (14523, 44434), (22217, 29046)]