918240988

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1179

約数の個数: 72

約数和(自身を含む): 1936854528

約数和(自身を除く): 1018613540

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 127, 148, 196, 254, 259, 508, 518, 889, 997, 1036, 1778, 1813, 1994, 3556, 3626, 3988, 4699, 6223, 6979, 7252, 9398, 12446, 13958, 18796, 24892, 27916, 32893, 36889, 48853, 65786, 73778, 97706, 126619, 131572, 147556, 195412, 230251, 253238, 258223, 460502, 506476, 516446, 886333, 921004, 1032892, 1772666, 1807561, 3545332, 3615122, 4684903, 6204331, 7230244, 9369806, 12408662, 18739612, 24817324, 32794321, 65588642, 131177284, 229560247, 459120494, 918240988]

約数ペア:

[(1, 918240988), (2, 459120494), (4, 229560247), (7, 131177284), (14, 65588642), (28, 32794321), (37, 24817324), (49, 18739612), (74, 12408662), (98, 9369806), (127, 7230244), (148, 6204331), (196, 4684903), (254, 3615122), (259, 3545332), (508, 1807561), (518, 1772666), (889, 1032892), (997, 921004), (1036, 886333), (1778, 516446), (1813, 506476), (1994, 460502), (3556, 258223), (3626, 253238), (3988, 230251), (4699, 195412), (6223, 147556), (6979, 131572), (7252, 126619), (9398, 97706), (12446, 73778), (13958, 65786), (18796, 48853), (24892, 36889), (27916, 32893)]