261289056

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{388823}}^1$

素因数の和:388843

約数の個数: 48

約数和(自身を含む): 783869184

約数和(自身を除く): 522580128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 388823, 777646, 1166469, 1555292, 2332938, 2721761, 3110584, 4665876, 5443522, 6221168, 8165283, 9331752, 10887044, 12442336, 16330566, 18663504, 21774088, 32661132, 37327008, 43548176, 65322264, 87096352, 130644528, 261289056]

約数ペア:

[(1, 261289056), (2, 130644528), (3, 87096352), (4, 65322264), (6, 43548176), (7, 37327008), (8, 32661132), (12, 21774088), (14, 18663504), (16, 16330566), (21, 12442336), (24, 10887044), (28, 9331752), (32, 8165283), (42, 6221168), (48, 5443522), (56, 4665876), (84, 3110584), (96, 2721761), (112, 2332938), (168, 1555292), (224, 1166469), (336, 777646), (672, 388823)]