389963632

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{7213}}^1$

素因数の和:7361

約数の個数: 40

約数和(自身を含む): 787191680

約数和(自身を除く): 397228048

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 436, 496, 872, 1744, 3379, 6758, 7213, 13516, 14426, 27032, 28852, 54064, 57704, 115408, 223603, 447206, 786217, 894412, 1572434, 1788824, 3144868, 3577648, 6289736, 12579472, 24372727, 48745454, 97490908, 194981816, 389963632]

約数ペア:

[(1, 389963632), (2, 194981816), (4, 97490908), (8, 48745454), (16, 24372727), (31, 12579472), (62, 6289736), (109, 3577648), (124, 3144868), (218, 1788824), (248, 1572434), (436, 894412), (496, 786217), (872, 447206), (1744, 223603), (3379, 115408), (6758, 57704), (7213, 54064), (13516, 28852), (14426, 27032)]