12901888

素因数分解:

$2^9\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 40

約数和(自身を含む): 26123328

約数和(自身を除く): 13221440

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 223, 226, 256, 446, 452, 512, 892, 904, 1784, 1808, 3568, 3616, 7136, 7232, 14272, 14464, 25199, 28544, 28928, 50398, 57088, 57856, 100796, 114176, 201592, 403184, 806368, 1612736, 3225472, 6450944, 12901888]

約数ペア:

[(1, 12901888), (2, 6450944), (4, 3225472), (8, 1612736), (16, 806368), (32, 403184), (64, 201592), (113, 114176), (128, 100796), (223, 57856), (226, 57088), (256, 50398), (446, 28928), (452, 28544), (512, 25199), (892, 14464), (904, 14272), (1784, 7232), (1808, 7136), (3568, 3616)]