25254658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 44815680

約数和(自身を除く): 19561022

約数列:

[1, 2, 11, 13, 22, 26, 143, 227, 286, 389, 454, 778, 2497, 2951, 4279, 4994, 5057, 5902, 8558, 10114, 32461, 55627, 64922, 88303, 111254, 176606, 971333, 1147939, 1942666, 2295878, 12627329, 25254658]

約数ペア:

[(1, 25254658), (2, 12627329), (11, 2295878), (13, 1942666), (22, 1147939), (26, 971333), (143, 176606), (227, 111254), (286, 88303), (389, 64922), (454, 55627), (778, 32461), (2497, 10114), (2951, 8558), (4279, 5902), (4994, 5057)]