640970295088

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{1187}}^1\times {\mathrm{151343}}^1$

素因数の和:152761

約数の個数: 40

約数和(自身を含む): 1248508090368

約数和(自身を除く): 607537795280

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1187, 1784, 2374, 3568, 4748, 9496, 18992, 151343, 264701, 302686, 529402, 605372, 1058804, 1210744, 2117608, 2421488, 4235216, 33749489, 67498978, 134997956, 179644141, 269995912, 359288282, 539991824, 718576564, 1437153128, 2874306256, 40060643443, 80121286886, 160242573772, 320485147544, 640970295088]

約数ペア:

[(1, 640970295088), (2, 320485147544), (4, 160242573772), (8, 80121286886), (16, 40060643443), (223, 2874306256), (446, 1437153128), (892, 718576564), (1187, 539991824), (1784, 359288282), (2374, 269995912), (3568, 179644141), (4748, 134997956), (9496, 67498978), (18992, 33749489), (151343, 4235216), (264701, 2421488), (302686, 2117608), (529402, 1210744), (605372, 1058804)]