268530171

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 457325568

約数和(自身を除く): 188795397

約数列:

[1, 3, 7, 13, 21, 39, 53, 67, 91, 159, 201, 273, 277, 371, 469, 689, 831, 871, 1113, 1407, 1939, 2067, 2613, 3551, 3601, 4823, 5817, 6097, 10653, 10803, 14469, 14681, 18291, 18559, 24857, 25207, 44043, 46163, 55677, 74571, 75621, 102767, 129913, 138489, 190853, 241267, 308301, 323141, 389739, 572559, 723801, 969423, 983627, 1335971, 1688869, 2950881, 4007913, 5066607, 6885389, 12787151, 20656167, 38361453, 89510057, 268530171]

約数ペア:

[(1, 268530171), (3, 89510057), (7, 38361453), (13, 20656167), (21, 12787151), (39, 6885389), (53, 5066607), (67, 4007913), (91, 2950881), (159, 1688869), (201, 1335971), (273, 983627), (277, 969423), (371, 723801), (469, 572559), (689, 389739), (831, 323141), (871, 308301), (1113, 241267), (1407, 190853), (1939, 138489), (2067, 129913), (2613, 102767), (3551, 75621), (3601, 74571), (4823, 55677), (5817, 46163), (6097, 44043), (10653, 25207), (10803, 24857), (14469, 18559), (14681, 18291)]