138400912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16229}}^1$

素因数の和:16291

約数の個数: 40

約数和(自身を含む): 295840440

約数和(自身を除く): 157439528

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 16229, 32458, 64916, 129832, 210977, 259664, 421954, 665389, 843908, 1330778, 1687816, 2661556, 3375632, 5323112, 8650057, 10646224, 17300114, 34600228, 69200456, 138400912]

約数ペア:

[(1, 138400912), (2, 69200456), (4, 34600228), (8, 17300114), (13, 10646224), (16, 8650057), (26, 5323112), (41, 3375632), (52, 2661556), (82, 1687816), (104, 1330778), (164, 843908), (208, 665389), (328, 421954), (533, 259664), (656, 210977), (1066, 129832), (2132, 64916), (4264, 32458), (8528, 16229)]