258732448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20063}}^1$

素因数の和:20117

約数の個数: 48

約数和(自身を含む): 566286336

約数和(自身を除く): 307553888

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 20063, 40126, 80252, 160504, 260819, 321008, 521638, 621953, 642016, 1043276, 1243906, 2086552, 2487812, 4173104, 4975624, 8085389, 8346208, 9951248, 16170778, 19902496, 32341556, 64683112, 129366224, 258732448]

約数ペア:

[(1, 258732448), (2, 129366224), (4, 64683112), (8, 32341556), (13, 19902496), (16, 16170778), (26, 9951248), (31, 8346208), (32, 8085389), (52, 4975624), (62, 4173104), (104, 2487812), (124, 2086552), (208, 1243906), (248, 1043276), (403, 642016), (416, 621953), (496, 521638), (806, 321008), (992, 260819), (1612, 160504), (3224, 80252), (6448, 40126), (12896, 20063)]