31999744

素因数分解:

$2^8\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2581

約数の個数: 54

約数和(自身を含む): 74332104

約数和(自身を除く): 42332360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 2551, 3136, 5102, 6272, 10204, 12544, 17857, 20408, 35714, 40816, 71428, 81632, 124999, 142856, 163264, 249998, 285712, 326528, 499996, 571424, 653056, 999992, 1142848, 1999984, 2285696, 3999968, 4571392, 7999936, 15999872, 31999744]

約数ペア:

[(1, 31999744), (2, 15999872), (4, 7999936), (7, 4571392), (8, 3999968), (14, 2285696), (16, 1999984), (28, 1142848), (32, 999992), (49, 653056), (56, 571424), (64, 499996), (98, 326528), (112, 285712), (128, 249998), (196, 163264), (224, 142856), (256, 124999), (392, 81632), (448, 71428), (784, 40816), (896, 35714), (1568, 20408), (1792, 17857), (2551, 12544), (3136, 10204), (5102, 6272)]