31137428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 66286080

約数和(自身を除く): 35148652

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 428, 532, 547, 749, 1094, 1498, 2033, 2188, 2996, 3829, 4066, 7658, 8132, 10393, 14231, 15316, 20786, 28462, 41572, 56924, 58529, 72751, 117058, 145502, 234116, 291004, 409703, 819406, 1112051, 1638812, 2224102, 4448204, 7784357, 15568714, 31137428]

約数ペア:

[(1, 31137428), (2, 15568714), (4, 7784357), (7, 4448204), (14, 2224102), (19, 1638812), (28, 1112051), (38, 819406), (76, 409703), (107, 291004), (133, 234116), (214, 145502), (266, 117058), (428, 72751), (532, 58529), (547, 56924), (749, 41572), (1094, 28462), (1498, 20786), (2033, 15316), (2188, 14231), (2996, 10393), (3829, 8132), (4066, 7658)]