81015424

素因数分解:

$2^7\times 7^2\times {\mathrm{12917}}^1$

素因数の和:12945

約数の個数: 48

約数和(自身を含む): 187763130

約数和(自身を除く): 106747706

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 12917, 25834, 51668, 90419, 103336, 180838, 206672, 361676, 413344, 632933, 723352, 826688, 1265866, 1446704, 1653376, 2531732, 2893408, 5063464, 5786816, 10126928, 11573632, 20253856, 40507712, 81015424]

約数ペア:

[(1, 81015424), (2, 40507712), (4, 20253856), (7, 11573632), (8, 10126928), (14, 5786816), (16, 5063464), (28, 2893408), (32, 2531732), (49, 1653376), (56, 1446704), (64, 1265866), (98, 826688), (112, 723352), (128, 632933), (196, 413344), (224, 361676), (392, 206672), (448, 180838), (784, 103336), (896, 90419), (1568, 51668), (3136, 25834), (6272, 12917)]