31383044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 70607040

約数和(自身を除く): 39223996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 121, 154, 157, 236, 242, 308, 314, 413, 484, 628, 649, 826, 847, 1099, 1298, 1652, 1694, 1727, 2198, 2596, 3388, 3454, 4396, 4543, 6908, 7139, 9086, 9263, 12089, 14278, 18172, 18526, 18997, 24178, 28556, 37052, 37994, 48356, 49973, 64841, 75988, 99946, 101893, 129682, 132979, 199892, 203786, 259364, 265958, 407572, 531916, 713251, 1120823, 1426502, 2241646, 2853004, 4483292, 7845761, 15691522, 31383044]

約数ペア:

[(1, 31383044), (2, 15691522), (4, 7845761), (7, 4483292), (11, 2853004), (14, 2241646), (22, 1426502), (28, 1120823), (44, 713251), (59, 531916), (77, 407572), (118, 265958), (121, 259364), (154, 203786), (157, 199892), (236, 132979), (242, 129682), (308, 101893), (314, 99946), (413, 75988), (484, 64841), (628, 49973), (649, 48356), (826, 37994), (847, 37052), (1099, 28556), (1298, 24178), (1652, 18997), (1694, 18526), (1727, 18172), (2198, 14278), (2596, 12089), (3388, 9263), (3454, 9086), (4396, 7139), (4543, 6908)]