261036888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 779328000

約数和(自身を除く): 518291112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 131, 168, 174, 203, 232, 262, 348, 393, 406, 409, 524, 609, 696, 786, 812, 818, 917, 1048, 1218, 1227, 1572, 1624, 1636, 1834, 2436, 2454, 2751, 2863, 3144, 3272, 3668, 3799, 4872, 4908, 5502, 5726, 7336, 7598, 8589, 9816, 11004, 11397, 11452, 11861, 15196, 17178, 22008, 22794, 22904, 23722, 26593, 30392, 34356, 35583, 45588, 47444, 53186, 53579, 68712, 71166, 79779, 83027, 91176, 94888, 106372, 107158, 142332, 159558, 160737, 166054, 212744, 214316, 249081, 284664, 319116, 321474, 332108, 375053, 428632, 498162, 638232, 642948, 664216, 750106, 996324, 1125159, 1285896, 1500212, 1553791, 1992648, 2250318, 3000424, 3107582, 4500636, 4661373, 6215164, 9001272, 9322746, 10876537, 12430328, 18645492, 21753074, 32629611, 37290984, 43506148, 65259222, 87012296, 130518444, 261036888]

約数ペア:

[(1, 261036888), (2, 130518444), (3, 87012296), (4, 65259222), (6, 43506148), (7, 37290984), (8, 32629611), (12, 21753074), (14, 18645492), (21, 12430328), (24, 10876537), (28, 9322746), (29, 9001272), (42, 6215164), (56, 4661373), (58, 4500636), (84, 3107582), (87, 3000424), (116, 2250318), (131, 1992648), (168, 1553791), (174, 1500212), (203, 1285896), (232, 1125159), (262, 996324), (348, 750106), (393, 664216), (406, 642948), (409, 638232), (524, 498162), (609, 428632), (696, 375053), (786, 332108), (812, 321474), (818, 319116), (917, 284664), (1048, 249081), (1218, 214316), (1227, 212744), (1572, 166054), (1624, 160737), (1636, 159558), (1834, 142332), (2436, 107158), (2454, 106372), (2751, 94888), (2863, 91176), (3144, 83027), (3272, 79779), (3668, 71166), (3799, 68712), (4872, 53579), (4908, 53186), (5502, 47444), (5726, 45588), (7336, 35583), (7598, 34356), (8589, 30392), (9816, 26593), (11004, 23722), (11397, 22904), (11452, 22794), (11861, 22008), (15196, 17178)]