639700638

素因数分解:

$2^1\times 3^1\times {\mathrm{191}}^1\times {\mathrm{558203}}^1$

素因数の和:558399

約数の個数: 16

約数和(自身を含む): 1286102016

約数和(自身を除く): 646401378

約数列:

[1, 2, 3, 6, 191, 382, 573, 1146, 558203, 1116406, 1674609, 3349218, 106616773, 213233546, 319850319, 639700638]

約数ペア:

[(1, 639700638), (2, 319850319), (3, 213233546), (6, 106616773), (191, 3349218), (382, 1674609), (573, 1116406), (1146, 558203)]