261989928

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1247

約数の個数: 96

約数和(自身を含む): 739964160

約数和(自身を除く): 477974232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 107, 124, 186, 214, 248, 279, 321, 372, 428, 558, 642, 744, 856, 963, 1097, 1116, 1284, 1926, 2194, 2232, 2568, 3291, 3317, 3852, 4388, 6582, 6634, 7704, 8776, 9873, 9951, 13164, 13268, 19746, 19902, 26328, 26536, 29853, 34007, 39492, 39804, 59706, 68014, 78984, 79608, 102021, 117379, 119412, 136028, 204042, 234758, 238824, 272056, 306063, 352137, 408084, 469516, 612126, 704274, 816168, 939032, 1056411, 1224252, 1408548, 2112822, 2448504, 2817096, 3638749, 4225644, 7277498, 8451288, 10916247, 14554996, 21832494, 29109992, 32748741, 43664988, 65497482, 87329976, 130994964, 261989928]

約数ペア:

[(1, 261989928), (2, 130994964), (3, 87329976), (4, 65497482), (6, 43664988), (8, 32748741), (9, 29109992), (12, 21832494), (18, 14554996), (24, 10916247), (31, 8451288), (36, 7277498), (62, 4225644), (72, 3638749), (93, 2817096), (107, 2448504), (124, 2112822), (186, 1408548), (214, 1224252), (248, 1056411), (279, 939032), (321, 816168), (372, 704274), (428, 612126), (558, 469516), (642, 408084), (744, 352137), (856, 306063), (963, 272056), (1097, 238824), (1116, 234758), (1284, 204042), (1926, 136028), (2194, 119412), (2232, 117379), (2568, 102021), (3291, 79608), (3317, 78984), (3852, 68014), (4388, 59706), (6582, 39804), (6634, 39492), (7704, 34007), (8776, 29853), (9873, 26536), (9951, 26328), (13164, 19902), (13268, 19746)]