30871904

素因数分解:

$2^5\times 7^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 69850368

約数和(自身を除く): 38978464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 283, 487, 566, 974, 1132, 1948, 1981, 2264, 3409, 3896, 3962, 4528, 6818, 7792, 7924, 9056, 13636, 15584, 15848, 27272, 31696, 54544, 63392, 109088, 137821, 275642, 551284, 964747, 1102568, 1929494, 2205136, 3858988, 4410272, 7717976, 15435952, 30871904]

約数ペア:

[(1, 30871904), (2, 15435952), (4, 7717976), (7, 4410272), (8, 3858988), (14, 2205136), (16, 1929494), (28, 1102568), (32, 964747), (56, 551284), (112, 275642), (224, 137821), (283, 109088), (487, 63392), (566, 54544), (974, 31696), (1132, 27272), (1948, 15848), (1981, 15584), (2264, 13636), (3409, 9056), (3896, 7924), (3962, 7792), (4528, 6818)]