390214458

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{2423}}^1$

素因数の和:2843

約数の個数: 48

約数和(自身を含む): 884856960

約数和(自身を除く): 494642502

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 389, 414, 778, 1167, 2334, 2423, 3501, 4846, 7002, 7269, 8947, 14538, 17894, 21807, 26841, 43614, 53682, 55729, 80523, 111458, 161046, 167187, 334374, 501561, 942547, 1003122, 1885094, 2827641, 5655282, 8482923, 16965846, 21678581, 43357162, 65035743, 130071486, 195107229, 390214458]

約数ペア:

[(1, 390214458), (2, 195107229), (3, 130071486), (6, 65035743), (9, 43357162), (18, 21678581), (23, 16965846), (46, 8482923), (69, 5655282), (138, 2827641), (207, 1885094), (389, 1003122), (414, 942547), (778, 501561), (1167, 334374), (2334, 167187), (2423, 161046), (3501, 111458), (4846, 80523), (7002, 55729), (7269, 53682), (8947, 43614), (14538, 26841), (17894, 21807)]