12725746684

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{107}}^3$

素因数の和:392

約数の個数: 72

約数和(自身を含む): 26643783600

約数和(自身を除く): 13918036916

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 107, 196, 212, 214, 371, 428, 742, 749, 1484, 1498, 2597, 2996, 5194, 5243, 5671, 10388, 10486, 11342, 11449, 20972, 22684, 22898, 39697, 45796, 79394, 80143, 158788, 160286, 277879, 320572, 555758, 561001, 606797, 1111516, 1122002, 1213594, 1225043, 2244004, 2427188, 2450086, 4247579, 4900172, 8495158, 8575301, 16990316, 17150602, 29733053, 34301204, 59466106, 60027107, 64927279, 118932212, 120054214, 129854558, 240108428, 259709116, 454490953, 908981906, 1817963812, 3181436671, 6362873342, 12725746684]

約数ペア:

[(1, 12725746684), (2, 6362873342), (4, 3181436671), (7, 1817963812), (14, 908981906), (28, 454490953), (49, 259709116), (53, 240108428), (98, 129854558), (106, 120054214), (107, 118932212), (196, 64927279), (212, 60027107), (214, 59466106), (371, 34301204), (428, 29733053), (742, 17150602), (749, 16990316), (1484, 8575301), (1498, 8495158), (2597, 4900172), (2996, 4247579), (5194, 2450086), (5243, 2427188), (5671, 2244004), (10388, 1225043), (10486, 1213594), (11342, 1122002), (11449, 1111516), (20972, 606797), (22684, 561001), (22898, 555758), (39697, 320572), (45796, 277879), (79394, 160286), (80143, 158788)]