1994331352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{2663}}^1$

素因数の和:3080

約数の個数: 64

約数和(自身を含む): 4251744000

約数和(自身を除く): 2257412648

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 379, 494, 758, 988, 1516, 1976, 2663, 3032, 4927, 5326, 7201, 9854, 10652, 14402, 19708, 21304, 28804, 34619, 39416, 50597, 57608, 69238, 93613, 101194, 138476, 187226, 202388, 276952, 374452, 404776, 657761, 748904, 1009277, 1315522, 2018554, 2631044, 4037108, 5262088, 8074216, 13120601, 19176263, 26241202, 38352526, 52482404, 76705052, 104964808, 153410104, 249291419, 498582838, 997165676, 1994331352]

約数ペア:

[(1, 1994331352), (2, 997165676), (4, 498582838), (8, 249291419), (13, 153410104), (19, 104964808), (26, 76705052), (38, 52482404), (52, 38352526), (76, 26241202), (104, 19176263), (152, 13120601), (247, 8074216), (379, 5262088), (494, 4037108), (758, 2631044), (988, 2018554), (1516, 1315522), (1976, 1009277), (2663, 748904), (3032, 657761), (4927, 404776), (5326, 374452), (7201, 276952), (9854, 202388), (10652, 187226), (14402, 138476), (19708, 101194), (21304, 93613), (28804, 69238), (34619, 57608), (39416, 50597)]