213573448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 465004800

約数和(自身を除く): 251431352

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 367, 374, 389, 734, 748, 778, 1468, 1496, 1556, 2936, 3112, 4037, 4279, 6239, 6613, 8074, 8558, 12478, 13226, 16148, 17116, 24956, 26452, 32296, 34232, 49912, 52904, 68629, 72743, 137258, 142763, 145486, 274516, 285526, 290972, 549032, 571052, 581944, 1142104, 1570393, 2426971, 3140786, 4853942, 6281572, 9707884, 12563144, 19415768, 26696681, 53393362, 106786724, 213573448]

約数ペア:

[(1, 213573448), (2, 106786724), (4, 53393362), (8, 26696681), (11, 19415768), (17, 12563144), (22, 9707884), (34, 6281572), (44, 4853942), (68, 3140786), (88, 2426971), (136, 1570393), (187, 1142104), (367, 581944), (374, 571052), (389, 549032), (734, 290972), (748, 285526), (778, 274516), (1468, 145486), (1496, 142763), (1556, 137258), (2936, 72743), (3112, 68629), (4037, 52904), (4279, 49912), (6239, 34232), (6613, 32296), (8074, 26452), (8558, 24956), (12478, 17116), (13226, 16148)]