31586516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 61874064

約数和(自身を除く): 30287548

約数列:

[1, 2, 4, 13, 26, 52, 53, 73, 106, 146, 157, 212, 292, 314, 628, 689, 949, 1378, 1898, 2041, 2756, 3796, 3869, 4082, 7738, 8164, 8321, 11461, 15476, 16642, 22922, 33284, 45844, 50297, 100594, 108173, 148993, 201188, 216346, 297986, 432692, 595972, 607433, 1214866, 2429732, 7896629, 15793258, 31586516]

約数ペア:

[(1, 31586516), (2, 15793258), (4, 7896629), (13, 2429732), (26, 1214866), (52, 607433), (53, 595972), (73, 432692), (106, 297986), (146, 216346), (157, 201188), (212, 148993), (292, 108173), (314, 100594), (628, 50297), (689, 45844), (949, 33284), (1378, 22922), (1898, 16642), (2041, 15476), (2756, 11461), (3796, 8321), (3869, 8164), (4082, 7738)]