642536356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{9887}}^1$

素因数の和:10120

約数の個数: 48

約数和(自身を含む): 1408684032

約数和(自身を除く): 766147676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 308, 422, 844, 1477, 2321, 2954, 4642, 5908, 9284, 9887, 16247, 19774, 32494, 39548, 64988, 69209, 108757, 138418, 217514, 276836, 435028, 761299, 1522598, 2086157, 3045196, 4172314, 8344628, 14603099, 22947727, 29206198, 45895454, 58412396, 91790908, 160634089, 321268178, 642536356]

約数ペア:

[(1, 642536356), (2, 321268178), (4, 160634089), (7, 91790908), (11, 58412396), (14, 45895454), (22, 29206198), (28, 22947727), (44, 14603099), (77, 8344628), (154, 4172314), (211, 3045196), (308, 2086157), (422, 1522598), (844, 761299), (1477, 435028), (2321, 276836), (2954, 217514), (4642, 138418), (5908, 108757), (9284, 69209), (9887, 64988), (16247, 39548), (19774, 32494)]