28286752

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 60678072

約数和(自身を除く): 32391320

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 194, 208, 388, 416, 701, 776, 1261, 1402, 1552, 2522, 2804, 3104, 5044, 5608, 9113, 10088, 11216, 18226, 20176, 22432, 36452, 40352, 67997, 72904, 135994, 145808, 271988, 291616, 543976, 883961, 1087952, 1767922, 2175904, 3535844, 7071688, 14143376, 28286752]

約数ペア:

[(1, 28286752), (2, 14143376), (4, 7071688), (8, 3535844), (13, 2175904), (16, 1767922), (26, 1087952), (32, 883961), (52, 543976), (97, 291616), (104, 271988), (194, 145808), (208, 135994), (388, 72904), (416, 67997), (701, 40352), (776, 36452), (1261, 22432), (1402, 20176), (1552, 18226), (2522, 11216), (2804, 10088), (3104, 9113), (5044, 5608)]