81222016

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 91508864

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 128, 184, 188, 368, 376, 587, 736, 752, 1081, 1174, 1472, 1504, 2162, 2348, 2944, 3008, 4324, 4696, 6016, 8648, 9392, 13501, 17296, 18784, 27002, 27589, 34592, 37568, 54004, 55178, 69184, 75136, 108008, 110356, 138368, 216016, 220712, 432032, 441424, 634547, 864064, 882848, 1269094, 1728128, 1765696, 2538188, 3531392, 5076376, 10152752, 20305504, 40611008, 81222016]

約数ペア:

[(1, 81222016), (2, 40611008), (4, 20305504), (8, 10152752), (16, 5076376), (23, 3531392), (32, 2538188), (46, 1765696), (47, 1728128), (64, 1269094), (92, 882848), (94, 864064), (128, 634547), (184, 441424), (188, 432032), (368, 220712), (376, 216016), (587, 138368), (736, 110356), (752, 108008), (1081, 75136), (1174, 69184), (1472, 55178), (1504, 54004), (2162, 37568), (2348, 34592), (2944, 27589), (3008, 27002), (4324, 18784), (4696, 17296), (6016, 13501), (8648, 9392)]