201990908

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{51899}}^1$

素因数の和:52049

約数の個数: 24

約数和(自身を含む): 406896000

約数和(自身を除く): 204905092

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 51899, 103798, 207596, 363293, 726586, 1453172, 7213961, 14427922, 28855844, 50497727, 100995454, 201990908]

約数ペア:

[(1, 201990908), (2, 100995454), (4, 50497727), (7, 28855844), (14, 14427922), (28, 7213961), (139, 1453172), (278, 726586), (556, 363293), (973, 207596), (1946, 103798), (3892, 51899)]