520019984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{68713}}^1$

素因数の和:68775

約数の個数: 40

約数和(自身を含む): 1124710752

約数和(自身を除く): 604690768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 68713, 137426, 274852, 549704, 755843, 1099408, 1511686, 2954659, 3023372, 5909318, 6046744, 11818636, 12093488, 23637272, 32501249, 47274544, 65002498, 130004996, 260009992, 520019984]

約数ペア:

[(1, 520019984), (2, 260009992), (4, 130004996), (8, 65002498), (11, 47274544), (16, 32501249), (22, 23637272), (43, 12093488), (44, 11818636), (86, 6046744), (88, 5909318), (172, 3023372), (176, 2954659), (344, 1511686), (473, 1099408), (688, 755843), (946, 549704), (1892, 274852), (3784, 137426), (7568, 68713)]