217040648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 470016000

約数和(自身を除く): 252975352

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 271, 418, 479, 542, 836, 958, 1084, 1672, 1916, 2168, 2981, 3832, 5149, 5269, 5962, 9101, 10298, 10538, 11924, 18202, 20596, 21076, 23848, 36404, 41192, 42152, 56639, 72808, 100111, 113278, 129809, 200222, 226556, 259618, 400444, 453112, 519236, 800888, 1038472, 1427899, 2466371, 2855798, 4932742, 5711596, 9865484, 11423192, 19730968, 27130081, 54260162, 108520324, 217040648]

約数ペア:

[(1, 217040648), (2, 108520324), (4, 54260162), (8, 27130081), (11, 19730968), (19, 11423192), (22, 9865484), (38, 5711596), (44, 4932742), (76, 2855798), (88, 2466371), (152, 1427899), (209, 1038472), (271, 800888), (418, 519236), (479, 453112), (542, 400444), (836, 259618), (958, 226556), (1084, 200222), (1672, 129809), (1916, 113278), (2168, 100111), (2981, 72808), (3832, 56639), (5149, 42152), (5269, 41192), (5962, 36404), (9101, 23848), (10298, 21076), (10538, 20596), (11924, 18202)]