289313728

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6737}}^1$

素因数の和:6821

約数の個数: 56

約数和(自身を含む): 636660144

約数和(自身を除く): 347346416

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 176, 244, 352, 488, 671, 704, 976, 1342, 1952, 2684, 3904, 5368, 6737, 10736, 13474, 21472, 26948, 42944, 53896, 74107, 107792, 148214, 215584, 296428, 410957, 431168, 592856, 821914, 1185712, 1643828, 2371424, 3287656, 4520527, 4742848, 6575312, 9041054, 13150624, 18082108, 26301248, 36164216, 72328432, 144656864, 289313728]

約数ペア:

[(1, 289313728), (2, 144656864), (4, 72328432), (8, 36164216), (11, 26301248), (16, 18082108), (22, 13150624), (32, 9041054), (44, 6575312), (61, 4742848), (64, 4520527), (88, 3287656), (122, 2371424), (176, 1643828), (244, 1185712), (352, 821914), (488, 592856), (671, 431168), (704, 410957), (976, 296428), (1342, 215584), (1952, 148214), (2684, 107792), (3904, 74107), (5368, 53896), (6737, 42944), (10736, 26948), (13474, 21472)]