12971264

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2242

約数の個数: 36

約数和(自身を含む): 27029856

約数和(自身を除く): 14058592

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2203, 2944, 4406, 5888, 8812, 17624, 35248, 50669, 70496, 101338, 140992, 202676, 281984, 405352, 563968, 810704, 1621408, 3242816, 6485632, 12971264]

約数ペア:

[(1, 12971264), (2, 6485632), (4, 3242816), (8, 1621408), (16, 810704), (23, 563968), (32, 405352), (46, 281984), (64, 202676), (92, 140992), (128, 101338), (184, 70496), (256, 50669), (368, 35248), (736, 17624), (1472, 8812), (2203, 5888), (2944, 4406)]