31578172

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 28740548

約数列:

[1, 2, 4, 23, 46, 47, 67, 92, 94, 109, 134, 188, 218, 268, 436, 1081, 1541, 2162, 2507, 3082, 3149, 4324, 5014, 5123, 6164, 6298, 7303, 10028, 10246, 12596, 14606, 20492, 29212, 72427, 117829, 144854, 167969, 235658, 289708, 335938, 343241, 471316, 671876, 686482, 1372964, 7894543, 15789086, 31578172]

約数ペア:

[(1, 31578172), (2, 15789086), (4, 7894543), (23, 1372964), (46, 686482), (47, 671876), (67, 471316), (92, 343241), (94, 335938), (109, 289708), (134, 235658), (188, 167969), (218, 144854), (268, 117829), (436, 72427), (1081, 29212), (1541, 20492), (2162, 14606), (2507, 12596), (3082, 10246), (3149, 10028), (4324, 7303), (5014, 6298), (5123, 6164)]