397767166

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 638820000

約数和(自身を除く): 241052834

約数列:

[1, 2, 19, 38, 89, 178, 337, 349, 674, 698, 1691, 3382, 6403, 6631, 12806, 13262, 29993, 31061, 59986, 62122, 117613, 235226, 569867, 590159, 1139734, 1180318, 2234647, 4469294, 10467557, 20935114, 198883583, 397767166]

約数ペア:

[(1, 397767166), (2, 198883583), (19, 20935114), (38, 10467557), (89, 4469294), (178, 2234647), (337, 1180318), (349, 1139734), (674, 590159), (698, 569867), (1691, 235226), (3382, 117613), (6403, 62122), (6631, 59986), (12806, 31061), (13262, 29993)]