641561984

素因数分解:

$2^7\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10687}}^1$

素因数の和:10775

約数の個数: 64

約数和(自身を含む): 1482639360

約数和(自身を除く): 841077376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 268, 448, 469, 536, 896, 938, 1072, 1876, 2144, 3752, 4288, 7504, 8576, 10687, 15008, 21374, 30016, 42748, 60032, 74809, 85496, 149618, 170992, 299236, 341984, 598472, 683968, 716029, 1196944, 1367936, 1432058, 2393888, 2864116, 4787776, 5012203, 5728232, 9575552, 10024406, 11456464, 20048812, 22912928, 40097624, 45825856, 80195248, 91651712, 160390496, 320780992, 641561984]

約数ペア:

[(1, 641561984), (2, 320780992), (4, 160390496), (7, 91651712), (8, 80195248), (14, 45825856), (16, 40097624), (28, 22912928), (32, 20048812), (56, 11456464), (64, 10024406), (67, 9575552), (112, 5728232), (128, 5012203), (134, 4787776), (224, 2864116), (268, 2393888), (448, 1432058), (469, 1367936), (536, 1196944), (896, 716029), (938, 683968), (1072, 598472), (1876, 341984), (2144, 299236), (3752, 170992), (4288, 149618), (7504, 85496), (8576, 74809), (10687, 60032), (15008, 42748), (21374, 30016)]