187778864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{128969}}^1$

素因数の和:128997

約数の個数: 40

約数和(自身を含む): 447783840

約数和(自身を除く): 260004976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 128969, 257938, 515876, 902783, 1031752, 1676597, 1805566, 2063504, 3353194, 3611132, 6706388, 7222264, 11736179, 13412776, 14444528, 23472358, 26825552, 46944716, 93889432, 187778864]

約数ペア:

[(1, 187778864), (2, 93889432), (4, 46944716), (7, 26825552), (8, 23472358), (13, 14444528), (14, 13412776), (16, 11736179), (26, 7222264), (28, 6706388), (52, 3611132), (56, 3353194), (91, 2063504), (104, 1805566), (112, 1676597), (182, 1031752), (208, 902783), (364, 515876), (728, 257938), (1456, 128969)]