31705648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 66502688

約数和(自身を除く): 34797040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 313, 487, 626, 974, 1252, 1948, 2504, 3896, 4069, 5008, 6331, 7792, 8138, 12662, 16276, 25324, 32552, 50648, 65104, 101296, 152431, 304862, 609724, 1219448, 1981603, 2438896, 3963206, 7926412, 15852824, 31705648]

約数ペア:

[(1, 31705648), (2, 15852824), (4, 7926412), (8, 3963206), (13, 2438896), (16, 1981603), (26, 1219448), (52, 609724), (104, 304862), (208, 152431), (313, 101296), (487, 65104), (626, 50648), (974, 32552), (1252, 25324), (1948, 16276), (2504, 12662), (3896, 8138), (4069, 7792), (5008, 6331)]