38412972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 105334320

約数和(自身を除く): 66921348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 211, 234, 389, 422, 468, 633, 778, 844, 1167, 1266, 1556, 1899, 2334, 2532, 2743, 3501, 3798, 4668, 5057, 5486, 7002, 7596, 8229, 10114, 10972, 14004, 15171, 16458, 20228, 24687, 30342, 32916, 45513, 49374, 60684, 82079, 91026, 98748, 164158, 182052, 246237, 328316, 492474, 738711, 984948, 1067027, 1477422, 2134054, 2954844, 3201081, 4268108, 6402162, 9603243, 12804324, 19206486, 38412972]

約数ペア:

[(1, 38412972), (2, 19206486), (3, 12804324), (4, 9603243), (6, 6402162), (9, 4268108), (12, 3201081), (13, 2954844), (18, 2134054), (26, 1477422), (36, 1067027), (39, 984948), (52, 738711), (78, 492474), (117, 328316), (156, 246237), (211, 182052), (234, 164158), (389, 98748), (422, 91026), (468, 82079), (633, 60684), (778, 49374), (844, 45513), (1167, 32916), (1266, 30342), (1556, 24687), (1899, 20228), (2334, 16458), (2532, 15171), (2743, 14004), (3501, 10972), (3798, 10114), (4668, 8229), (5057, 7596), (5486, 7002)]