31920824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9951

約数の個数: 32

約数和(自身を含む): 66541440

約数和(自身を除く): 34620616

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 9901, 19802, 39604, 79208, 128713, 257426, 306931, 514852, 613862, 1029704, 1227724, 2455448, 3990103, 7980206, 15960412, 31920824]

約数ペア:

[(1, 31920824), (2, 15960412), (4, 7980206), (8, 3990103), (13, 2455448), (26, 1227724), (31, 1029704), (52, 613862), (62, 514852), (104, 306931), (124, 257426), (248, 128713), (403, 79208), (806, 39604), (1612, 19802), (3224, 9901)]