256380216

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{260549}}^1$

素因数の和:260599

約数の個数: 32

約数和(自身を含む): 656586000

約数和(自身を除く): 400205784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 260549, 521098, 781647, 1042196, 1563294, 2084392, 3126588, 6253176, 10682509, 21365018, 32047527, 42730036, 64095054, 85460072, 128190108, 256380216]

約数ペア:

[(1, 256380216), (2, 128190108), (3, 85460072), (4, 64095054), (6, 42730036), (8, 32047527), (12, 21365018), (24, 10682509), (41, 6253176), (82, 3126588), (123, 2084392), (164, 1563294), (246, 1042196), (328, 781647), (492, 521098), (984, 260549)]