261724768

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2207

約数の個数: 48

約数和(自身を含む): 537138000

約数和(自身を除く): 275413232

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 139, 232, 278, 464, 556, 928, 1112, 2029, 2224, 4031, 4058, 4448, 8062, 8116, 16124, 16232, 32248, 32464, 58841, 64496, 64928, 117682, 128992, 235364, 282031, 470728, 564062, 941456, 1128124, 1882912, 2256248, 4512496, 8178899, 9024992, 16357798, 32715596, 65431192, 130862384, 261724768]

約数ペア:

[(1, 261724768), (2, 130862384), (4, 65431192), (8, 32715596), (16, 16357798), (29, 9024992), (32, 8178899), (58, 4512496), (116, 2256248), (139, 1882912), (232, 1128124), (278, 941456), (464, 564062), (556, 470728), (928, 282031), (1112, 235364), (2029, 128992), (2224, 117682), (4031, 64928), (4058, 64496), (4448, 58841), (8062, 32464), (8116, 32248), (16124, 16232)]