128387168

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44089}}^1$

素因数の和:44119

約数の個数: 48

約数和(自身を含む): 311099040

約数和(自身を除く): 182711872

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 44089, 88178, 176356, 308623, 352712, 573157, 617246, 705424, 1146314, 1234492, 1410848, 2292628, 2468984, 4012099, 4585256, 4937968, 8024198, 9170512, 9875936, 16048396, 18341024, 32096792, 64193584, 128387168]

約数ペア:

[(1, 128387168), (2, 64193584), (4, 32096792), (7, 18341024), (8, 16048396), (13, 9875936), (14, 9170512), (16, 8024198), (26, 4937968), (28, 4585256), (32, 4012099), (52, 2468984), (56, 2292628), (91, 1410848), (104, 1234492), (112, 1146314), (182, 705424), (208, 617246), (224, 573157), (364, 352712), (416, 308623), (728, 176356), (1456, 88178), (2912, 44089)]