643504638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{2053}}^1$

素因数の和:2521

約数の個数: 64

約数和(自身を含む): 1561697280

約数和(自身を除く): 918192642

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 439, 714, 878, 1317, 2053, 2634, 3073, 4106, 6146, 6159, 7463, 9219, 12318, 14371, 14926, 18438, 22389, 28742, 34901, 43113, 44778, 52241, 69802, 86226, 104482, 104703, 156723, 209406, 244307, 313446, 488614, 732921, 901267, 1465842, 1802534, 2703801, 5407602, 6308869, 12617738, 15321539, 18926607, 30643078, 37853214, 45964617, 91929234, 107250773, 214501546, 321752319, 643504638]

約数ペア:

[(1, 643504638), (2, 321752319), (3, 214501546), (6, 107250773), (7, 91929234), (14, 45964617), (17, 37853214), (21, 30643078), (34, 18926607), (42, 15321539), (51, 12617738), (102, 6308869), (119, 5407602), (238, 2703801), (357, 1802534), (439, 1465842), (714, 901267), (878, 732921), (1317, 488614), (2053, 313446), (2634, 244307), (3073, 209406), (4106, 156723), (6146, 104703), (6159, 104482), (7463, 86226), (9219, 69802), (12318, 52241), (14371, 44778), (14926, 43113), (18438, 34901), (22389, 28742)]