123557456

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{3359}}^1$

素因数の和:3408

約数の個数: 60

約数和(自身を含む): 277065600

約数和(自身を除く): 153508144

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 836, 968, 1672, 1936, 2299, 3344, 3359, 4598, 6718, 9196, 13436, 18392, 26872, 36784, 36949, 53744, 63821, 73898, 127642, 147796, 255284, 295592, 406439, 510568, 591184, 702031, 812878, 1021136, 1404062, 1625756, 2808124, 3251512, 5616248, 6503024, 7722341, 11232496, 15444682, 30889364, 61778728, 123557456]

約数ペア:

[(1, 123557456), (2, 61778728), (4, 30889364), (8, 15444682), (11, 11232496), (16, 7722341), (19, 6503024), (22, 5616248), (38, 3251512), (44, 2808124), (76, 1625756), (88, 1404062), (121, 1021136), (152, 812878), (176, 702031), (209, 591184), (242, 510568), (304, 406439), (418, 295592), (484, 255284), (836, 147796), (968, 127642), (1672, 73898), (1936, 63821), (2299, 53744), (3344, 36949), (3359, 36784), (4598, 26872), (6718, 18392), (9196, 13436)]