215163984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{640369}}^1$

素因数の和:640387

約数の個数: 40

約数和(自身を含む): 635247040

約数和(自身を除く): 420083056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 640369, 1280738, 1921107, 2561476, 3842214, 4482583, 5122952, 7684428, 8965166, 10245904, 13447749, 15368856, 17930332, 26895498, 30737712, 35860664, 53790996, 71721328, 107581992, 215163984]

約数ペア:

[(1, 215163984), (2, 107581992), (3, 71721328), (4, 53790996), (6, 35860664), (7, 30737712), (8, 26895498), (12, 17930332), (14, 15368856), (16, 13447749), (21, 10245904), (24, 8965166), (28, 7684428), (42, 5122952), (48, 4482583), (56, 3842214), (84, 2561476), (112, 1921107), (168, 1280738), (336, 640369)]