397472068

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179689}}^1$

素因数の和:179779

約数の個数: 24

約数和(自身を含む): 805011200

約数和(自身を除く): 407539132

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 179689, 359378, 718756, 1257823, 2515646, 5031292, 14195431, 28390862, 56781724, 99368017, 198736034, 397472068]

約数ペア:

[(1, 397472068), (2, 198736034), (4, 99368017), (7, 56781724), (14, 28390862), (28, 14195431), (79, 5031292), (158, 2515646), (316, 1257823), (553, 718756), (1106, 359378), (2212, 179689)]