261075416

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 572832000

約数和(自身を除く): 311756584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 149, 268, 298, 467, 469, 536, 596, 934, 938, 1043, 1192, 1868, 1876, 2086, 3269, 3736, 3752, 4172, 6538, 8344, 9983, 13076, 19966, 26152, 31289, 39932, 62578, 69583, 69881, 79864, 125156, 139166, 139762, 219023, 250312, 278332, 279524, 438046, 487081, 556664, 559048, 876092, 974162, 1752184, 1948324, 3896648, 4662061, 9324122, 18648244, 32634427, 37296488, 65268854, 130537708, 261075416]

約数ペア:

[(1, 261075416), (2, 130537708), (4, 65268854), (7, 37296488), (8, 32634427), (14, 18648244), (28, 9324122), (56, 4662061), (67, 3896648), (134, 1948324), (149, 1752184), (268, 974162), (298, 876092), (467, 559048), (469, 556664), (536, 487081), (596, 438046), (934, 279524), (938, 278332), (1043, 250312), (1192, 219023), (1868, 139762), (1876, 139166), (2086, 125156), (3269, 79864), (3736, 69881), (3752, 69583), (4172, 62578), (6538, 39932), (8344, 31289), (9983, 26152), (13076, 19966)]