401693776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{20939}}^1$

素因数の和:21067

約数の個数: 40

約数和(自身を含む): 856864800

約数和(自身を除く): 455171024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1199, 1744, 2398, 4796, 9592, 19184, 20939, 41878, 83756, 167512, 230329, 335024, 460658, 921316, 1842632, 2282351, 3685264, 4564702, 9129404, 18258808, 25105861, 36517616, 50211722, 100423444, 200846888, 401693776]

約数ペア:

[(1, 401693776), (2, 200846888), (4, 100423444), (8, 50211722), (11, 36517616), (16, 25105861), (22, 18258808), (44, 9129404), (88, 4564702), (109, 3685264), (176, 2282351), (218, 1842632), (436, 921316), (872, 460658), (1199, 335024), (1744, 230329), (2398, 167512), (4796, 83756), (9592, 41878), (19184, 20939)]