31381768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^2$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 68065200

約数和(自身を除く): 36683432

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 137, 152, 209, 274, 418, 548, 836, 1096, 1507, 1672, 2603, 3014, 5206, 6028, 10412, 12056, 18769, 20824, 28633, 37538, 57266, 75076, 114532, 150152, 206459, 229064, 356611, 412918, 713222, 825836, 1426444, 1651672, 2852888, 3922721, 7845442, 15690884, 31381768]

約数ペア:

[(1, 31381768), (2, 15690884), (4, 7845442), (8, 3922721), (11, 2852888), (19, 1651672), (22, 1426444), (38, 825836), (44, 713222), (76, 412918), (88, 356611), (137, 229064), (152, 206459), (209, 150152), (274, 114532), (418, 75076), (548, 57266), (836, 37538), (1096, 28633), (1507, 20824), (1672, 18769), (2603, 12056), (3014, 10412), (5206, 6028)]