28951328

素因数分解:

$2^5\times 7^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 65507904

約数和(自身を除く): 36556576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 307, 421, 614, 842, 1228, 1684, 2149, 2456, 2947, 3368, 4298, 4912, 5894, 6736, 8596, 9824, 11788, 13472, 17192, 23576, 34384, 47152, 68768, 94304, 129247, 258494, 516988, 904729, 1033976, 1809458, 2067952, 3618916, 4135904, 7237832, 14475664, 28951328]

約数ペア:

[(1, 28951328), (2, 14475664), (4, 7237832), (7, 4135904), (8, 3618916), (14, 2067952), (16, 1809458), (28, 1033976), (32, 904729), (56, 516988), (112, 258494), (224, 129247), (307, 94304), (421, 68768), (614, 47152), (842, 34384), (1228, 23576), (1684, 17192), (2149, 13472), (2456, 11788), (2947, 9824), (3368, 8596), (4298, 6736), (4912, 5894)]