155487878

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 72

約数和(自身を含む): 304286976

約数和(自身を除く): 148799098

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 127, 182, 217, 254, 403, 434, 637, 806, 889, 961, 1274, 1519, 1651, 1778, 1922, 2821, 3038, 3302, 3937, 5642, 6223, 6727, 7874, 11557, 12446, 12493, 13454, 19747, 23114, 24986, 27559, 39494, 47089, 51181, 55118, 80899, 87451, 94178, 102362, 122047, 161798, 174902, 192913, 244094, 358267, 385826, 612157, 716534, 854329, 1224314, 1586611, 1708658, 2507869, 3173222, 5015738, 5980303, 11106277, 11960606, 22212554, 77743939, 155487878]

約数ペア:

[(1, 155487878), (2, 77743939), (7, 22212554), (13, 11960606), (14, 11106277), (26, 5980303), (31, 5015738), (49, 3173222), (62, 2507869), (91, 1708658), (98, 1586611), (127, 1224314), (182, 854329), (217, 716534), (254, 612157), (403, 385826), (434, 358267), (637, 244094), (806, 192913), (889, 174902), (961, 161798), (1274, 122047), (1519, 102362), (1651, 94178), (1778, 87451), (1922, 80899), (2821, 55118), (3038, 51181), (3302, 47089), (3937, 39494), (5642, 27559), (6223, 24986), (6727, 23114), (7874, 19747), (11557, 13454), (12446, 12493)]