28546804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 54

約数和(自身を含む): 59630550

約数和(自身を除く): 31083746

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 169, 242, 286, 338, 349, 484, 572, 676, 698, 1396, 1573, 1859, 3146, 3718, 3839, 4537, 6292, 7436, 7678, 9074, 15356, 18148, 20449, 40898, 42229, 49907, 58981, 81796, 84458, 99814, 117962, 168916, 199628, 235924, 548977, 648791, 1097954, 1297582, 2195908, 2595164, 7136701, 14273402, 28546804]

約数ペア:

[(1, 28546804), (2, 14273402), (4, 7136701), (11, 2595164), (13, 2195908), (22, 1297582), (26, 1097954), (44, 648791), (52, 548977), (121, 235924), (143, 199628), (169, 168916), (242, 117962), (286, 99814), (338, 84458), (349, 81796), (484, 58981), (572, 49907), (676, 42229), (698, 40898), (1396, 20449), (1573, 18148), (1859, 15356), (3146, 9074), (3718, 7678), (3839, 7436), (4537, 6292)]