81455648

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 166766040

約数和(自身を除く): 85310392

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 89, 148, 178, 296, 356, 592, 712, 773, 1184, 1424, 1546, 2848, 3092, 3293, 6184, 6586, 12368, 13172, 24736, 26344, 28601, 52688, 57202, 68797, 105376, 114404, 137594, 228808, 275188, 457616, 550376, 915232, 1100752, 2201504, 2545489, 5090978, 10181956, 20363912, 40727824, 81455648]

約数ペア:

[(1, 81455648), (2, 40727824), (4, 20363912), (8, 10181956), (16, 5090978), (32, 2545489), (37, 2201504), (74, 1100752), (89, 915232), (148, 550376), (178, 457616), (296, 275188), (356, 228808), (592, 137594), (712, 114404), (773, 105376), (1184, 68797), (1424, 57202), (1546, 52688), (2848, 28601), (3092, 26344), (3293, 24736), (6184, 13172), (6586, 12368)]