28004288

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:469

約数の個数: 56

約数和(自身を含む): 60636912

約数和(自身を除く): 32632624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 194, 208, 347, 388, 416, 694, 776, 832, 1261, 1388, 1552, 2522, 2776, 3104, 4511, 5044, 5552, 6208, 9022, 10088, 11104, 18044, 20176, 22208, 33659, 36088, 40352, 67318, 72176, 80704, 134636, 144352, 269272, 288704, 437567, 538544, 875134, 1077088, 1750268, 2154176, 3500536, 7001072, 14002144, 28004288]

約数ペア:

[(1, 28004288), (2, 14002144), (4, 7001072), (8, 3500536), (13, 2154176), (16, 1750268), (26, 1077088), (32, 875134), (52, 538544), (64, 437567), (97, 288704), (104, 269272), (194, 144352), (208, 134636), (347, 80704), (388, 72176), (416, 67318), (694, 40352), (776, 36088), (832, 33659), (1261, 22208), (1388, 20176), (1552, 18044), (2522, 11104), (2776, 10088), (3104, 9022), (4511, 6208), (5044, 5552)]