2156388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 5663616

約数和(自身を除く): 3507228

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 601, 897, 1196, 1202, 1794, 1803, 2404, 3588, 3606, 7212, 7813, 13823, 15626, 23439, 27646, 31252, 41469, 46878, 55292, 82938, 93756, 165876, 179699, 359398, 539097, 718796, 1078194, 2156388]

約数ペア:

[(1, 2156388), (2, 1078194), (3, 718796), (4, 539097), (6, 359398), (12, 179699), (13, 165876), (23, 93756), (26, 82938), (39, 55292), (46, 46878), (52, 41469), (69, 31252), (78, 27646), (92, 23439), (138, 15626), (156, 13823), (276, 7813), (299, 7212), (598, 3606), (601, 3588), (897, 2404), (1196, 1803), (1202, 1794)]