39950876

素因数分解:

$2^2\times 7^2\times {\mathrm{317}}^1\times {\mathrm{643}}^1$

素因数の和:978

約数の個数: 36

約数和(自身を含む): 81712008

約数和(自身を除く): 41761132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 317, 634, 643, 1268, 1286, 2219, 2572, 4438, 4501, 8876, 9002, 15533, 18004, 31066, 31507, 62132, 63014, 126028, 203831, 407662, 815324, 1426817, 2853634, 5707268, 9987719, 19975438, 39950876]

約数ペア:

[(1, 39950876), (2, 19975438), (4, 9987719), (7, 5707268), (14, 2853634), (28, 1426817), (49, 815324), (98, 407662), (196, 203831), (317, 126028), (634, 63014), (643, 62132), (1268, 31507), (1286, 31066), (2219, 18004), (2572, 15533), (4438, 9002), (4501, 8876)]