28764216

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 85176000

約数和(自身を除く): 56411784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 79, 104, 117, 156, 158, 234, 237, 312, 316, 389, 468, 474, 632, 711, 778, 936, 948, 1027, 1167, 1422, 1556, 1896, 2054, 2334, 2844, 3081, 3112, 3501, 4108, 4668, 5057, 5688, 6162, 7002, 8216, 9243, 9336, 10114, 12324, 14004, 15171, 18486, 20228, 24648, 28008, 30342, 30731, 36972, 40456, 45513, 60684, 61462, 73944, 91026, 92193, 121368, 122924, 182052, 184386, 245848, 276579, 364104, 368772, 399503, 553158, 737544, 799006, 1106316, 1198509, 1598012, 2212632, 2397018, 3196024, 3595527, 4794036, 7191054, 9588072, 14382108, 28764216]

約数ペア:

[(1, 28764216), (2, 14382108), (3, 9588072), (4, 7191054), (6, 4794036), (8, 3595527), (9, 3196024), (12, 2397018), (13, 2212632), (18, 1598012), (24, 1198509), (26, 1106316), (36, 799006), (39, 737544), (52, 553158), (72, 399503), (78, 368772), (79, 364104), (104, 276579), (117, 245848), (156, 184386), (158, 182052), (234, 122924), (237, 121368), (312, 92193), (316, 91026), (389, 73944), (468, 61462), (474, 60684), (632, 45513), (711, 40456), (778, 36972), (936, 30731), (948, 30342), (1027, 28008), (1167, 24648), (1422, 20228), (1556, 18486), (1896, 15171), (2054, 14004), (2334, 12324), (2844, 10114), (3081, 9336), (3112, 9243), (3501, 8216), (4108, 7002), (4668, 6162), (5057, 5688)]