256411704

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{260581}}^1$

素因数の和:260631

約数の個数: 32

約数和(自身を含む): 656666640

約数和(自身を除く): 400254936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 260581, 521162, 781743, 1042324, 1563486, 2084648, 3126972, 6253944, 10683821, 21367642, 32051463, 42735284, 64102926, 85470568, 128205852, 256411704]

約数ペア:

[(1, 256411704), (2, 128205852), (3, 85470568), (4, 64102926), (6, 42735284), (8, 32051463), (12, 21367642), (24, 10683821), (41, 6253944), (82, 3126972), (123, 2084648), (164, 1563486), (246, 1042324), (328, 781743), (492, 521162), (984, 260581)]