215705616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{641981}}^1$

素因数の和:641999

約数の個数: 40

約数和(自身を含む): 636846144

約数和(自身を除く): 421140528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 641981, 1283962, 1925943, 2567924, 3851886, 4493867, 5135848, 7703772, 8987734, 10271696, 13481601, 15407544, 17975468, 26963202, 30815088, 35950936, 53926404, 71901872, 107852808, 215705616]

約数ペア:

[(1, 215705616), (2, 107852808), (3, 71901872), (4, 53926404), (6, 35950936), (7, 30815088), (8, 26963202), (12, 17975468), (14, 15407544), (16, 13481601), (21, 10271696), (24, 8987734), (28, 7703772), (42, 5135848), (48, 4493867), (56, 3851886), (84, 2567924), (112, 1925943), (168, 1283962), (336, 641981)]