28678468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78787}}^1$

素因数の和:78811

約数の個数: 24

約数和(自身を含む): 61769792

約数和(自身を除く): 33091324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 78787, 157574, 315148, 551509, 1024231, 1103018, 2048462, 2206036, 4096924, 7169617, 14339234, 28678468]

約数ペア:

[(1, 28678468), (2, 14339234), (4, 7169617), (7, 4096924), (13, 2206036), (14, 2048462), (26, 1103018), (28, 1024231), (52, 551509), (91, 315148), (182, 157574), (364, 78787)]