31256672

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 65545200

約数和(自身を除く): 34288528

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 101, 152, 202, 304, 404, 509, 608, 808, 1018, 1616, 1919, 2036, 3232, 3838, 4072, 7676, 8144, 9671, 15352, 16288, 19342, 30704, 38684, 51409, 61408, 77368, 102818, 154736, 205636, 309472, 411272, 822544, 976771, 1645088, 1953542, 3907084, 7814168, 15628336, 31256672]

約数ペア:

[(1, 31256672), (2, 15628336), (4, 7814168), (8, 3907084), (16, 1953542), (19, 1645088), (32, 976771), (38, 822544), (76, 411272), (101, 309472), (152, 205636), (202, 154736), (304, 102818), (404, 77368), (509, 61408), (608, 51409), (808, 38684), (1018, 30704), (1616, 19342), (1919, 16288), (2036, 15352), (3232, 9671), (3838, 8144), (4072, 7676)]