31258990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1237}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 67921632

約数和(自身を除く): 36662642

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 361, 665, 722, 1237, 1330, 1805, 2474, 2527, 3610, 5054, 6185, 8659, 12370, 12635, 17318, 23503, 25270, 43295, 47006, 86590, 117515, 164521, 235030, 329042, 446557, 822605, 893114, 1645210, 2232785, 3125899, 4465570, 6251798, 15629495, 31258990]

約数ペア:

[(1, 31258990), (2, 15629495), (5, 6251798), (7, 4465570), (10, 3125899), (14, 2232785), (19, 1645210), (35, 893114), (38, 822605), (70, 446557), (95, 329042), (133, 235030), (190, 164521), (266, 117515), (361, 86590), (665, 47006), (722, 43295), (1237, 25270), (1330, 23503), (1805, 17318), (2474, 12635), (2527, 12370), (3610, 8659), (5054, 6185)]