87789654

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{941}}^1$

素因数の和:1093

約数の個数: 48

約数和(自身を含む): 195740064

約数和(自身を除く): 107950410

約数列:

[1, 2, 3, 6, 9, 18, 71, 73, 142, 146, 213, 219, 426, 438, 639, 657, 941, 1278, 1314, 1882, 2823, 5183, 5646, 8469, 10366, 15549, 16938, 31098, 46647, 66811, 68693, 93294, 133622, 137386, 200433, 206079, 400866, 412158, 601299, 618237, 1202598, 1236474, 4877203, 9754406, 14631609, 29263218, 43894827, 87789654]

約数ペア:

[(1, 87789654), (2, 43894827), (3, 29263218), (6, 14631609), (9, 9754406), (18, 4877203), (71, 1236474), (73, 1202598), (142, 618237), (146, 601299), (213, 412158), (219, 400866), (426, 206079), (438, 200433), (639, 137386), (657, 133622), (941, 93294), (1278, 68693), (1314, 66811), (1882, 46647), (2823, 31098), (5183, 16938), (5646, 15549), (8469, 10366)]