256758744

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20693}}^1$

素因数の和:20760

約数の個数: 64

約数和(自身を含む): 715184640

約数和(自身を除く): 458425896

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 47, 66, 88, 94, 132, 141, 188, 264, 282, 376, 517, 564, 1034, 1128, 1551, 2068, 3102, 4136, 6204, 12408, 20693, 41386, 62079, 82772, 124158, 165544, 227623, 248316, 455246, 496632, 682869, 910492, 972571, 1365738, 1820984, 1945142, 2731476, 2917713, 3890284, 5462952, 5835426, 7780568, 10698281, 11670852, 21396562, 23341704, 32094843, 42793124, 64189686, 85586248, 128379372, 256758744]

約数ペア:

[(1, 256758744), (2, 128379372), (3, 85586248), (4, 64189686), (6, 42793124), (8, 32094843), (11, 23341704), (12, 21396562), (22, 11670852), (24, 10698281), (33, 7780568), (44, 5835426), (47, 5462952), (66, 3890284), (88, 2917713), (94, 2731476), (132, 1945142), (141, 1820984), (188, 1365738), (264, 972571), (282, 910492), (376, 682869), (517, 496632), (564, 455246), (1034, 248316), (1128, 227623), (1551, 165544), (2068, 124158), (3102, 82772), (4136, 62079), (6204, 41386), (12408, 20693)]