15999872

素因数分解:

$2^7\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2579

約数の個数: 48

約数和(自身を含む): 37093320

約数和(自身を除く): 21093448

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, 2551, 3136, 5102, 6272, 10204, 17857, 20408, 35714, 40816, 71428, 81632, 124999, 142856, 163264, 249998, 285712, 326528, 499996, 571424, 999992, 1142848, 1999984, 2285696, 3999968, 7999936, 15999872]

約数ペア:

[(1, 15999872), (2, 7999936), (4, 3999968), (7, 2285696), (8, 1999984), (14, 1142848), (16, 999992), (28, 571424), (32, 499996), (49, 326528), (56, 285712), (64, 249998), (98, 163264), (112, 142856), (128, 124999), (196, 81632), (224, 71428), (392, 40816), (448, 35714), (784, 20408), (896, 17857), (1568, 10204), (2551, 6272), (3136, 5102)]