218535018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{39461}}^1$

素因数の和:39550

約数の個数: 32

約数和(自身を含む): 477332352

約数和(自身を除く): 258797334

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 39461, 78922, 118383, 236766, 512993, 1025986, 1538979, 2801731, 3077958, 5603462, 8405193, 16810386, 36422503, 72845006, 109267509, 218535018]

約数ペア:

[(1, 218535018), (2, 109267509), (3, 72845006), (6, 36422503), (13, 16810386), (26, 8405193), (39, 5603462), (71, 3077958), (78, 2801731), (142, 1538979), (213, 1025986), (426, 512993), (923, 236766), (1846, 118383), (2769, 78922), (5538, 39461)]