261893856

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{389723}}^1$

素因数の和:389743

約数の個数: 48

約数和(自身を含む): 785683584

約数和(自身を除く): 523789728

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, 389723, 779446, 1169169, 1558892, 2338338, 2728061, 3117784, 4676676, 5456122, 6235568, 8184183, 9353352, 10912244, 12471136, 16368366, 18706704, 21824488, 32736732, 37413408, 43648976, 65473464, 87297952, 130946928, 261893856]

約数ペア:

[(1, 261893856), (2, 130946928), (3, 87297952), (4, 65473464), (6, 43648976), (7, 37413408), (8, 32736732), (12, 21824488), (14, 18706704), (16, 16368366), (21, 12471136), (24, 10912244), (28, 9353352), (32, 8184183), (42, 6235568), (48, 5456122), (56, 4676676), (84, 3117784), (96, 2728061), (112, 2338338), (168, 1558892), (224, 1169169), (336, 779446), (672, 389723)]