87838786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4651}}^1$

素因数の和:4750

約数の個数: 32

約数和(自身を含む): 160773120

約数和(自身を除く): 72934334

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 4651, 9302, 9443, 18886, 32557, 65114, 88369, 176738, 330221, 618583, 660442, 1237166, 2311547, 4623094, 6274199, 12548398, 43919393, 87838786]

約数ペア:

[(1, 87838786), (2, 43919393), (7, 12548398), (14, 6274199), (19, 4623094), (38, 2311547), (71, 1237166), (133, 660442), (142, 618583), (266, 330221), (497, 176738), (994, 88369), (1349, 65114), (2698, 32557), (4651, 18886), (9302, 9443)]