7940214

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 19008000

約数和(自身を除く): 11067786

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 109, 114, 142, 171, 213, 218, 327, 342, 426, 513, 639, 654, 981, 1026, 1278, 1349, 1917, 1962, 2071, 2698, 2943, 3834, 4047, 4142, 5886, 6213, 7739, 8094, 12141, 12426, 15478, 18639, 23217, 24282, 36423, 37278, 46434, 55917, 69651, 72846, 111834, 139302, 147041, 208953, 294082, 417906, 441123, 882246, 1323369, 2646738, 3970107, 7940214]

約数ペア:

[(1, 7940214), (2, 3970107), (3, 2646738), (6, 1323369), (9, 882246), (18, 441123), (19, 417906), (27, 294082), (38, 208953), (54, 147041), (57, 139302), (71, 111834), (109, 72846), (114, 69651), (142, 55917), (171, 46434), (213, 37278), (218, 36423), (327, 24282), (342, 23217), (426, 18639), (513, 15478), (639, 12426), (654, 12141), (981, 8094), (1026, 7739), (1278, 6213), (1349, 5886), (1917, 4142), (1962, 4047), (2071, 3834), (2698, 2943)]