64418626

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 105235200

約数和(自身を除く): 40816574

約数列:

[1, 2, 19, 38, 41, 82, 173, 239, 346, 478, 779, 1558, 3287, 4541, 6574, 7093, 9082, 9799, 14186, 19598, 41347, 82694, 134767, 186181, 269534, 372362, 785593, 1571186, 1695227, 3390454, 32209313, 64418626]

約数ペア:

[(1, 64418626), (2, 32209313), (19, 3390454), (38, 1695227), (41, 1571186), (82, 785593), (173, 372362), (239, 269534), (346, 186181), (478, 134767), (779, 82694), (1558, 41347), (3287, 19598), (4541, 14186), (6574, 9799), (7093, 9082)]