28199052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{353}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 81952416

約数和(自身を除く): 53753364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 317, 353, 634, 706, 951, 1059, 1268, 1412, 1902, 2118, 2219, 2471, 2853, 3177, 3804, 4236, 4438, 4942, 5706, 6354, 6657, 7413, 8876, 9884, 11412, 12708, 13314, 14826, 19971, 22239, 26628, 29652, 39942, 44478, 79884, 88956, 111901, 223802, 335703, 447604, 671406, 783307, 1007109, 1342812, 1566614, 2014218, 2349921, 3133228, 4028436, 4699842, 7049763, 9399684, 14099526, 28199052]

約数ペア:

[(1, 28199052), (2, 14099526), (3, 9399684), (4, 7049763), (6, 4699842), (7, 4028436), (9, 3133228), (12, 2349921), (14, 2014218), (18, 1566614), (21, 1342812), (28, 1007109), (36, 783307), (42, 671406), (63, 447604), (84, 335703), (126, 223802), (252, 111901), (317, 88956), (353, 79884), (634, 44478), (706, 39942), (951, 29652), (1059, 26628), (1268, 22239), (1412, 19971), (1902, 14826), (2118, 13314), (2219, 12708), (2471, 11412), (2853, 9884), (3177, 8876), (3804, 7413), (4236, 6657), (4438, 6354), (4942, 5706)]