211069456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23599}}^1$

素因数の和:23663

約数の個数: 40

約数和(自身を含む): 450665600

約数和(自身を除く): 239596144

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 23599, 47198, 94396, 188792, 306787, 377584, 613574, 1014757, 1227148, 2029514, 2454296, 4059028, 4908592, 8118056, 13191841, 16236112, 26383682, 52767364, 105534728, 211069456]

約数ペア:

[(1, 211069456), (2, 105534728), (4, 52767364), (8, 26383682), (13, 16236112), (16, 13191841), (26, 8118056), (43, 4908592), (52, 4059028), (86, 2454296), (104, 2029514), (172, 1227148), (208, 1014757), (344, 613574), (559, 377584), (688, 306787), (1118, 188792), (2236, 94396), (4472, 47198), (8944, 23599)]