258707912

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{3187}}^1$

素因数の和:3405

約数の個数: 32

約数和(自身を含む): 495415200

約数和(自身を除く): 236707288

約数列:

[1, 2, 4, 8, 73, 139, 146, 278, 292, 556, 584, 1112, 3187, 6374, 10147, 12748, 20294, 25496, 40588, 81176, 232651, 442993, 465302, 885986, 930604, 1771972, 1861208, 3543944, 32338489, 64676978, 129353956, 258707912]

約数ペア:

[(1, 258707912), (2, 129353956), (4, 64676978), (8, 32338489), (73, 3543944), (139, 1861208), (146, 1771972), (278, 930604), (292, 885986), (556, 465302), (584, 442993), (1112, 232651), (3187, 81176), (6374, 40588), (10147, 25496), (12748, 20294)]