128174956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 293629952

約数和(自身を除く): 165454996

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 37, 52, 62, 74, 91, 124, 148, 182, 217, 259, 307, 364, 403, 434, 481, 518, 614, 806, 868, 962, 1036, 1147, 1228, 1612, 1924, 2149, 2294, 2821, 3367, 3991, 4298, 4588, 5642, 6734, 7982, 8029, 8596, 9517, 11284, 11359, 13468, 14911, 15964, 16058, 19034, 22718, 27937, 29822, 32116, 38068, 45436, 55874, 59644, 66619, 79513, 104377, 111748, 123721, 133238, 147667, 159026, 208754, 247442, 266476, 295334, 318052, 352129, 417508, 494884, 590668, 704258, 866047, 1033669, 1408516, 1732094, 2067338, 2464903, 3464188, 4134676, 4577677, 4929806, 9155354, 9859612, 18310708, 32043739, 64087478, 128174956]

約数ペア:

[(1, 128174956), (2, 64087478), (4, 32043739), (7, 18310708), (13, 9859612), (14, 9155354), (26, 4929806), (28, 4577677), (31, 4134676), (37, 3464188), (52, 2464903), (62, 2067338), (74, 1732094), (91, 1408516), (124, 1033669), (148, 866047), (182, 704258), (217, 590668), (259, 494884), (307, 417508), (364, 352129), (403, 318052), (434, 295334), (481, 266476), (518, 247442), (614, 208754), (806, 159026), (868, 147667), (962, 133238), (1036, 123721), (1147, 111748), (1228, 104377), (1612, 79513), (1924, 66619), (2149, 59644), (2294, 55874), (2821, 45436), (3367, 38068), (3991, 32116), (4298, 29822), (4588, 27937), (5642, 22718), (6734, 19034), (7982, 16058), (8029, 15964), (8596, 14911), (9517, 13468), (11284, 11359)]