28221448

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 54684000

約数和(自身を除く): 26462552

約数列:

[1, 2, 4, 8, 41, 82, 139, 164, 278, 328, 556, 619, 1112, 1238, 2476, 4952, 5699, 11398, 22796, 25379, 45592, 50758, 86041, 101516, 172082, 203032, 344164, 688328, 3527681, 7055362, 14110724, 28221448]

約数ペア:

[(1, 28221448), (2, 14110724), (4, 7055362), (8, 3527681), (41, 688328), (82, 344164), (139, 203032), (164, 172082), (278, 101516), (328, 86041), (556, 50758), (619, 45592), (1112, 25379), (1238, 22796), (2476, 11398), (4952, 5699)]