688049248978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{820597}}^1$

素因数の和:820907

約数の個数: 64

約数和(自身を含む): 1349929663488

約数和(自身を除く): 661880414510

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 271, 442, 542, 1547, 1897, 3094, 3523, 3794, 4607, 7046, 9214, 24661, 32249, 49322, 59891, 64498, 119782, 419237, 820597, 838474, 1641194, 5744179, 10667761, 11488358, 13950149, 21335522, 27900298, 74674327, 97651043, 149348654, 181351937, 195302086, 222381787, 362703874, 444763574, 1269463559, 1556672509, 2538927118, 2890963231, 3113345018, 3780490379, 5781926462, 7560980758, 20236742617, 26463432653, 40473485234, 49146374927, 52926865306, 98292749854, 344024624489, 688049248978]

約数ペア:

[(1, 688049248978), (2, 344024624489), (7, 98292749854), (13, 52926865306), (14, 49146374927), (17, 40473485234), (26, 26463432653), (34, 20236742617), (91, 7560980758), (119, 5781926462), (182, 3780490379), (221, 3113345018), (238, 2890963231), (271, 2538927118), (442, 1556672509), (542, 1269463559), (1547, 444763574), (1897, 362703874), (3094, 222381787), (3523, 195302086), (3794, 181351937), (4607, 149348654), (7046, 97651043), (9214, 74674327), (24661, 27900298), (32249, 21335522), (49322, 13950149), (59891, 11488358), (64498, 10667761), (119782, 5744179), (419237, 1641194), (820597, 838474)]