81580908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 214179840

約数和(自身を除く): 132598932

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 47, 57, 69, 76, 92, 94, 114, 138, 141, 188, 228, 276, 282, 331, 437, 564, 662, 874, 893, 993, 1081, 1311, 1324, 1748, 1786, 1986, 2162, 2622, 2679, 3243, 3572, 3972, 4324, 5244, 5358, 6289, 6486, 7613, 10716, 12578, 12972, 15226, 15557, 18867, 20539, 22839, 25156, 30452, 31114, 37734, 41078, 45678, 46671, 61617, 62228, 75468, 82156, 91356, 93342, 123234, 144647, 186684, 246468, 289294, 295583, 357811, 433941, 578588, 591166, 715622, 867882, 886749, 1073433, 1182332, 1431244, 1735764, 1773498, 2146866, 3546996, 4293732, 6798409, 13596818, 20395227, 27193636, 40790454, 81580908]

約数ペア:

[(1, 81580908), (2, 40790454), (3, 27193636), (4, 20395227), (6, 13596818), (12, 6798409), (19, 4293732), (23, 3546996), (38, 2146866), (46, 1773498), (47, 1735764), (57, 1431244), (69, 1182332), (76, 1073433), (92, 886749), (94, 867882), (114, 715622), (138, 591166), (141, 578588), (188, 433941), (228, 357811), (276, 295583), (282, 289294), (331, 246468), (437, 186684), (564, 144647), (662, 123234), (874, 93342), (893, 91356), (993, 82156), (1081, 75468), (1311, 62228), (1324, 61617), (1748, 46671), (1786, 45678), (1986, 41078), (2162, 37734), (2622, 31114), (2679, 30452), (3243, 25156), (3572, 22839), (3972, 20539), (4324, 18867), (5244, 15557), (5358, 15226), (6289, 12972), (6486, 12578), (7613, 10716)]